Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.92,
    "vintage_probability": 0.54,
    "authenticity_confidence": 0.79,
    "image_quality_score": 0.75,
    "seller_misidentification_probability": 0.51,
    "confidence": 0.79,
    "recommended_max_bid": 40,
    "estimated_resale_low": 55,
    "estimated_resale_high": 115,
    "possible_models": [
        "Legacy Zip-Top Hobo (9059)",
        "Soho Zip Hobo (4161)",
        "Small Shoulder Bag (9153)",
        "Pocket Purse (9755)"
    ],
    "positive_evidence": [
        "photo 3: faint COACH wordmark is embossed on the front of the bag.",
        "photo 2: leather hangtag visibly carries the COACH wordmark.",
        "photo 7: sewn leather creed patch is visible with Coach-style wording describing natural glove-tanned cowhide and manufacture in the United States.",
        "photos 1, 3, 4 and 5: brown leather, raw suede-style interior, substantial leather construction, even contrast stitching, and a long crossbody strap are consistent with a vintage Coach leather bag.",
        "photo 7: creed appears internally consistent with a 1990s United States-made Coach bag, although the serial is not readable.",
        "photo 6: debossed leather creed patch on interior with COACH lozenge header and HANDCRAFTED IN THE UNITED STATES glove-tanned wording plus No. F3D-9153 batch code",
        "photo 2: rectangular leather hangtag embossed COACH in vintage cartouche",
        "photo 3: faint COACH stamp on exterior back panel and small leather hangtag on zipper",
        "photo 1, photo 3: small zip-top crossbody silhouette in brown glove-tanned leather with contrast stitching matching Coach small shoulder\/pocket purse types",
        "photo 4, photo 5: unlined raw suede interior correct for glove-tanned classics",
        "seller text states Made in the USA consistent with creed country line"
    ],
    "negative_evidence": [
        "photo 1: noticeable light discoloration or cleaning residue is present across the front leather.",
        "photos 4 and 5: interior suede shows discoloration and visible wear.",
        "photo 6: leather and creed stamping are dark and somewhat low-contrast, limiting verification of details.",
        "photo 1: the exact catalog model cannot be established from the available views.",
        "photo 4: interior raw suede shows discoloration\/cleaning marks noted by seller, not a Coach counter-indicator but condition deduction",
        "photo 6: creed stamping is shallow\/blurry in photo, requiring careful read"
    ],
    "missing_information": [
        "A sharply focused, straight-on photo of the entire creed and serial number in raking light.",
        "A clear photo of the zipper pull, attachment hardware, and hangtag front and back.",
        "Exterior back, bottom, both sides, and all corners for condition assessment.",
        "Seller-stated dimensions and a full interior view showing all pockets and seams.",
        "photo of bottom and all four corners to grade corner wear",
        "close-up of zipper pull brand stamp and strap buckle\/hardware tone",
        "seller-stated dimensions and full-length strap\/buckle-hole detail",
        "clearer straight-on raking-light creed photo to confirm full serial"
    ],
    "authenticity_concerns": [
        "The serial\/style number below the creed cannot be read, so its format and consistency with the model cannot be verified.",
        "The dark, low-contrast stamping prevents complete confirmation of every creed character from the photos alone."
    ],
    "possible_model_reasoning": [
        "The rectangular zip-top crossbody silhouette and long leather strap are compatible with Coach Legacy or Soho-era zip-top styles, but the exact model cannot be confirmed without a readable style number and complete exterior views.",
        "photo 7: the visible creed wording and stated United States manufacture suggest the 1994-2003 range; the unreadable number prevents more precise dating.",
        "Condition: Good to Very Good; visible front scratches\/discoloration and substantially discolored interior suede (photos 1, 4 and 5), while seams and strap appear intact. Bottom, corners, and full hardware function are not fully shown.",
        "photo 6 serial No. F3D-9153 decodes F=June, 3=2003, D=US plant, style 9153 under 1994-2003 system, consistent with HANDCRAFTED IN THE UNITED STATES wording and unlined glove-tanned construction",
        "silhouette small zip-top crossbody with single long strap matches style 9153 Small Shoulder Bag family and close Pocket Purse (9755) \/ Small Shoulder Bag (9530) types",
        "Condition: Good to Very Good; photo 1 shows surface scratches and sheen\/patina, photo 4 shows interior raw-leather discoloration from cleaning per seller, no corner blow-through visible but no bottom photo so capped"
    ],
    "estimated_era": "1994-2003",
    "observed_features": {
        "creed_present": true,
        "serial_or_style_number_present": true,
        "coach_wordmark_present": true,
        "turnlock_present": false,
        "hangtag_present": true,
        "creed_text": "THIS IS A COACH BAG. IT WAS HANDCRAFTED IN THE UNITED STATES OF COMPLETELY NATURAL GLOVE-TANNED COWHIDE. THE VARIATIONS IN THE GRAIN ARE CHARACTERISTIC OF NATURAL FULL-GRAIN LEATHER. No. F3D-9153",
        "serial_or_style_number": "No. F3D-9153",
        "hardware_description": "photo 2: small leather hangtag attached by a metal ring; photo 3: side attachment hardware visible, but metal finish and zipper hardware details are not clear enough to characterize fully.",
        "leather_description": "photos 1, 3 and 7: brown smooth leather with natural surface variation, scratches, and some discoloration; appears consistent with older glove-tanned leather.",
        "lining_description": "photos 4 and 5: raw suede-style leather interior, visibly discolored from cleaning and use; no textile lining is visible.",
        "strap_construction": "photos 1 and 3: long adjustable-looking leather crossbody strap with stitched edges and metal attachment points; full adjustment and clip construction are not fully shown.",
        "stitching_description": "photos 1, 3, 4 and 5: generally even light-colored stitching along the body, trim, and strap, with some minor wear visible."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.039,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.92,
                "vintage_probability": 0.88,
                "authenticity_confidence": 0.78,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "1994-2003",
                "possible_models": [
                    "Legacy Zip-Top Hobo (9059)",
                    "Soho Zip Hobo (4161)"
                ],
                "positive_evidence": [
                    "photo 3: faint COACH wordmark is embossed on the front of the bag.",
                    "photo 2: leather hangtag visibly carries the COACH wordmark.",
                    "photo 7: sewn leather creed patch is visible with Coach-style wording describing natural glove-tanned cowhide and manufacture in the United States.",
                    "photos 1, 3, 4 and 5: brown leather, raw suede-style interior, substantial leather construction, even contrast stitching, and a long crossbody strap are consistent with a vintage Coach leather bag.",
                    "photo 7: creed appears internally consistent with a 1990s United States-made Coach bag, although the serial is not readable."
                ],
                "negative_evidence": [
                    "photo 1: noticeable light discoloration or cleaning residue is present across the front leather.",
                    "photos 4 and 5: interior suede shows discoloration and visible wear.",
                    "photo 6: leather and creed stamping are dark and somewhat low-contrast, limiting verification of details.",
                    "photo 1: the exact catalog model cannot be established from the available views."
                ],
                "missing_information": [
                    "A sharply focused, straight-on photo of the entire creed and serial number in raking light.",
                    "A clear photo of the zipper pull, attachment hardware, and hangtag front and back.",
                    "Exterior back, bottom, both sides, and all corners for condition assessment.",
                    "Seller-stated dimensions and a full interior view showing all pockets and seams."
                ],
                "authenticity_concerns": [
                    "The serial\/style number below the creed cannot be read, so its format and consistency with the model cannot be verified.",
                    "The dark, low-contrast stamping prevents complete confirmation of every creed character from the photos alone."
                ],
                "observed_features": {
                    "creed_present": true,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": true,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": true,
                    "turnlock_present": false,
                    "hangtag_present": true,
                    "hardware_description": "photo 2: small leather hangtag attached by a metal ring; photo 3: side attachment hardware visible, but metal finish and zipper hardware details are not clear enough to characterize fully.",
                    "leather_description": "photos 1, 3 and 7: brown smooth leather with natural surface variation, scratches, and some discoloration; appears consistent with older glove-tanned leather.",
                    "lining_description": "photos 4 and 5: raw suede-style leather interior, visibly discolored from cleaning and use; no textile lining is visible.",
                    "strap_construction": "photos 1 and 3: long adjustable-looking leather crossbody strap with stitched edges and metal attachment points; full adjustment and clip construction are not fully shown.",
                    "stitching_description": "photos 1, 3, 4 and 5: generally even light-colored stitching along the body, trim, and strap, with some minor wear visible."
                },
                "possible_model_reasoning": [
                    "The rectangular zip-top crossbody silhouette and long leather strap are compatible with Coach Legacy or Soho-era zip-top styles, but the exact model cannot be confirmed without a readable style number and complete exterior views.",
                    "photo 7: the visible creed wording and stated United States manufacture suggest the 1994-2003 range; the unreadable number prevents more precise dating.",
                    "Condition: Good to Very Good; visible front scratches\/discoloration and substantially discolored interior suede (photos 1, 4 and 5), while seams and strap appear intact. Bottom, corners, and full hardware function are not fully shown."
                ],
                "confidence": 0.8,
                "recommended_max_bid": 45,
                "estimated_resale_low": 50,
                "estimated_resale_high": 120
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.8,
                "coach_probability": 0.92,
                "confidence": 0.78,
                "estimated_era": "1994-2003",
                "estimated_resale_high": 110,
                "estimated_resale_low": 60,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of bottom and all four corners to grade corner wear",
                    "close-up of zipper pull brand stamp and strap buckle\/hardware tone",
                    "seller-stated dimensions and full-length strap\/buckle-hole detail",
                    "clearer straight-on raking-light creed photo to confirm full serial"
                ],
                "negative_evidence": [
                    "photo 4: interior raw suede shows discoloration\/cleaning marks noted by seller, not a Coach counter-indicator but condition deduction",
                    "photo 6: creed stamping is shallow\/blurry in photo, requiring careful read"
                ],
                "observed_features": {
                    "coach_wordmark_present": true,
                    "creed_present": true,
                    "creed_text": "THIS IS A COACH BAG. IT WAS HANDCRAFTED IN THE UNITED STATES OF COMPLETELY NATURAL GLOVE-TANNED COWHIDE. THE VARIATIONS IN THE GRAIN ARE CHARACTERISTIC OF NATURAL FULL-GRAIN LEATHER. No. F3D-9153",
                    "hangtag_present": true,
                    "hardware_description": "brass-tone hardware visible on strap buckle and side zipper pull; tone consistent with vintage brass, no chunky plated turnlock; zipper pull detail not legible",
                    "leather_description": "dark brown smooth glove-tanned cowhide with satin patina and light surface scratches; thick vintage-type hide",
                    "lining_description": "unlined raw suede interior in brown, with discoloration\/cleaning marks visible in photo 4",
                    "serial_or_style_number": "No. F3D-9153",
                    "serial_or_style_number_present": true,
                    "stitching_description": "even straight contrast light-tan stitching around body and strap, consistent with Coach classics",
                    "strap_construction": "single thin adjustable crossbody\/shoulder strap with brass-tone buckle, sewn strap anchors",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 6: debossed leather creed patch on interior with COACH lozenge header and HANDCRAFTED IN THE UNITED STATES glove-tanned wording plus No. F3D-9153 batch code",
                    "photo 2: rectangular leather hangtag embossed COACH in vintage cartouche",
                    "photo 3: faint COACH stamp on exterior back panel and small leather hangtag on zipper",
                    "photo 1, photo 3: small zip-top crossbody silhouette in brown glove-tanned leather with contrast stitching matching Coach small shoulder\/pocket purse types",
                    "photo 4, photo 5: unlined raw suede interior correct for glove-tanned classics",
                    "seller text states Made in the USA consistent with creed country line"
                ],
                "possible_model_reasoning": [
                    "photo 6 serial No. F3D-9153 decodes F=June, 3=2003, D=US plant, style 9153 under 1994-2003 system, consistent with HANDCRAFTED IN THE UNITED STATES wording and unlined glove-tanned construction",
                    "silhouette small zip-top crossbody with single long strap matches style 9153 Small Shoulder Bag family and close Pocket Purse (9755) \/ Small Shoulder Bag (9530) types",
                    "Condition: Good to Very Good; photo 1 shows surface scratches and sheen\/patina, photo 4 shows interior raw-leather discoloration from cleaning per seller, no corner blow-through visible but no bottom photo so capped"
                ],
                "possible_models": [
                    "Small Shoulder Bag (9153)",
                    "Pocket Purse (9755)"
                ],
                "recommended_max_bid": 35,
                "seller_misidentification_probability": 0.9,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18120,
            "output_tokens": 1187,
            "total_tokens": 19307,
            "estimated_cost_usd": 0.010097
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18672,
            "output_tokens": 2475,
            "total_tokens": 21147,
            "estimated_cost_usd": 0.005714
        }
    ]
}