Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.05,
    "vintage_probability": 0.51,
    "authenticity_confidence": 0.045,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.815,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured handbag with leather trim and rolled handles, broadly compatible with vintage handbag construction.",
        "photo 1: Brown leather and brass-tone clasp give it a vintage-inspired appearance."
    ],
    "negative_evidence": [
        "photo 1: Woven textile body and contrasting leather trim do not resemble the typical solid glove-tanned leather of classic vintage Coach.",
        "photo 1: Front closure appears to be a generic plated clasp rather than a recognizable Coach turnlock.",
        "photo 5: Interior is visibly fabric\/vinyl-lined and shows no visible Coach creed patch, wordmark, or serial.",
        "photo 4: Back flap has decorative rivets and construction unlike the documented classic Coach silhouettes.",
        "photo 1: No Coach hangtag, horse-and-carriage mark, or other visible brand identifier.",
        "photo 1,2,4: woven textile \/ straw-like body with brown coated trim, not glove-tanned cowhide",
        "photo 5: off-white vinyl \/ plastic lining, not unlined suede-back glove-tanned interior",
        "photo 2,3: shield-shaped tuck \/ snap clasp with tarnish, not Coach turnlock geometry with oval back plate and slim tab",
        "photo 1-4: double rolled vinyl-like top handles riveted on, not Coach buckle-adjustable strap or dowel handle",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 5: Interior back wall and all pockets should be shown fully and straight-on to confirm whether a creed or fabric brand tag is present.",
        "A close-up of the clasp, handle attachments, zipper or other hardware is needed.",
        "Bottom, side, corner, and strap\/handle attachment views are missing.",
        "Seller-stated dimensions are approximate from the tape photos but exact width, height, and depth would help identify the maker.",
        "photo of any maker mark, brand label or creed patch in close-up raking light",
        "photo of hardware back plates and any stamp on clasp or rivets",
        "photo of bottom and side corners without tape measure for condition"
    ],
    "authenticity_concerns": [
        "The woven body, synthetic-looking lining, generic clasp, and absence of Coach identifiers are more consistent with an unrelated vintage or vintage-inspired bag than Coach.",
        "No creed or serial is visible; this prevents meaningful Coach-era and authenticity verification."
    ],
    "possible_model_reasoning": [
        "No Coach model is a strong match: the woven body, clasp design, rear decorative rivets, and lining do not correspond clearly to the listed classic Coach catalog styles.",
        "photo 1\/photo 2: The approximately 10\u201311 inch tall structured satchel silhouette is compatible with a generic vintage handbag, but silhouette alone is not brand evidence.",
        "Condition: Good; visible interior scuffs and marks (photo 5), with exterior wear not fully assessable because bottom and close-up corner views are absent.",
        "No Coach identifier visible in any photo: no creed, no wordmark, no hangtag, no solid-brass turnlock",
        "Materials and construction inconsistent with vintage Coach classics: woven body + vinyl trim + vinyl lining vs unlined glove-tanned cowhide + solid brass",
        "Silhouette is a woven frame satchel with tuck clasp and rolled handles, matches no Coach catalog style in 9790\/9927\/9870\/5130\/9525 family",
        "Condition: Good; tarnished clasp photo 3, small dark interior marks photo 5, trim gloss wear; no bottom view so corners uncapped but vinyl\/textile limits rehab value"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Gold-tone\/brass-tone central clasp with a rectangular plate and rotating-looking center piece; no Coach engraving is visible. photo 5: Matching clasp hardware is visible from inside.",
        "leather_description": "photo 1: Brown smooth leather or leather-like trim, rolled handles, and flap; woven tan textile body. Material cannot be confirmed from photos.",
        "lining_description": "photo 5: Light-colored smooth synthetic-looking lining with visible scuffs and small dark marks; no brand label or creed is visible.",
        "strap_construction": "photo 1\/photo 2: Two rolled top handles attached through leather tabs with round rivet-like fasteners; no shoulder strap is shown.",
        "stitching_description": "photo 1\/photo 4: Mostly even perimeter stitching along the leather trim and flap; decorative rivet details are visible on the rear flap."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured handbag with leather trim and rolled handles, broadly compatible with vintage handbag construction.",
                    "photo 1: Brown leather and brass-tone clasp give it a vintage-inspired appearance."
                ],
                "negative_evidence": [
                    "photo 1: Woven textile body and contrasting leather trim do not resemble the typical solid glove-tanned leather of classic vintage Coach.",
                    "photo 1: Front closure appears to be a generic plated clasp rather than a recognizable Coach turnlock.",
                    "photo 5: Interior is visibly fabric\/vinyl-lined and shows no visible Coach creed patch, wordmark, or serial.",
                    "photo 4: Back flap has decorative rivets and construction unlike the documented classic Coach silhouettes.",
                    "photo 1: No Coach hangtag, horse-and-carriage mark, or other visible brand identifier."
                ],
                "missing_information": [
                    "photo 5: Interior back wall and all pockets should be shown fully and straight-on to confirm whether a creed or fabric brand tag is present.",
                    "A close-up of the clasp, handle attachments, zipper or other hardware is needed.",
                    "Bottom, side, corner, and strap\/handle attachment views are missing.",
                    "Seller-stated dimensions are approximate from the tape photos but exact width, height, and depth would help identify the maker."
                ],
                "authenticity_concerns": [
                    "The woven body, synthetic-looking lining, generic clasp, and absence of Coach identifiers are more consistent with an unrelated vintage or vintage-inspired bag than Coach.",
                    "No creed or serial is visible; this prevents meaningful Coach-era and authenticity verification."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Gold-tone\/brass-tone central clasp with a rectangular plate and rotating-looking center piece; no Coach engraving is visible. photo 5: Matching clasp hardware is visible from inside.",
                    "leather_description": "photo 1: Brown smooth leather or leather-like trim, rolled handles, and flap; woven tan textile body. Material cannot be confirmed from photos.",
                    "lining_description": "photo 5: Light-colored smooth synthetic-looking lining with visible scuffs and small dark marks; no brand label or creed is visible.",
                    "strap_construction": "photo 1\/photo 2: Two rolled top handles attached through leather tabs with round rivet-like fasteners; no shoulder strap is shown.",
                    "stitching_description": "photo 1\/photo 4: Mostly even perimeter stitching along the leather trim and flap; decorative rivet details are visible on the rear flap."
                },
                "possible_model_reasoning": [
                    "No Coach model is a strong match: the woven body, clasp design, rear decorative rivets, and lining do not correspond clearly to the listed classic Coach catalog styles.",
                    "photo 1\/photo 2: The approximately 10\u201311 inch tall structured satchel silhouette is compatible with a generic vintage handbag, but silhouette alone is not brand evidence.",
                    "Condition: Good; visible interior scuffs and marks (photo 5), with exterior wear not fully assessable because bottom and close-up corner views are absent."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any maker mark, brand label or creed patch in close-up raking light",
                    "photo of hardware back plates and any stamp on clasp or rivets",
                    "photo of bottom and side corners without tape measure for condition"
                ],
                "negative_evidence": [
                    "photo 1,2,4: woven textile \/ straw-like body with brown coated trim, not glove-tanned cowhide",
                    "photo 5: off-white vinyl \/ plastic lining, not unlined suede-back glove-tanned interior",
                    "photo 2,3: shield-shaped tuck \/ snap clasp with tarnish, not Coach turnlock geometry with oval back plate and slim tab",
                    "photo 1-4: double rolled vinyl-like top handles riveted on, not Coach buckle-adjustable strap or dowel handle",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone shield tuck clasp, tarnished in photo 3, round rivets on handle tabs; not solid brass Coach turnlock geometry, mixed dull tones",
                    "leather_description": "brown trim looks coated \/ faux-leather with high gloss in photo 1-4, tan body is woven textile \/ straw-like; not matte glove-tanned full-grain cowhide",
                    "lining_description": "photo 5: off-white smooth vinyl \/ plastic lining with stitching at seams and small dark marks; lined, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting light edge stitching on brown trim visible in photo 3-4, even but not indicative of Coach; no tight tone-matched glove-tanned stitching seen",
                    "strap_construction": "double rolled fixed top handles in brown coated material, riveted to body in photo 4; no detachable dogleash clips, buckle adjustment, or wooden dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed, no wordmark, no hangtag, no solid-brass turnlock",
                    "Materials and construction inconsistent with vintage Coach classics: woven body + vinyl trim + vinyl lining vs unlined glove-tanned cowhide + solid brass",
                    "Silhouette is a woven frame satchel with tuck clasp and rolled handles, matches no Coach catalog style in 9790\/9927\/9870\/5130\/9525 family",
                    "Condition: Good; tarnished clasp photo 3, small dark interior marks photo 5, trim gloss wear; no bottom view so corners uncapped but vinyl\/textile limits rehab value"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17602,
            "output_tokens": 970,
            "total_tokens": 18572,
            "estimated_cost_usd": 0.009369
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18109,
            "output_tokens": 1892,
            "total_tokens": 20001,
            "estimated_cost_usd": 0.005135
        }
    ]
}