Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.635,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.76,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: substantial leather shoulder bag with an aged, handcrafted appearance consistent with a vintage accessory",
        "photo 3: visible long adjustable leather shoulder strap and side attachment hardware",
        "photo 4: seller-provided ruler indicates a compact handbag approximately 9\u201310 inches wide",
        "photo 1-2: thick leather with unlined suede interior and aged patina consistent with old bag, seller states thick leather",
        "photo 4,6: ~10-11 in wide flap shoulder bag with tape measurements providing scale"
    ],
    "negative_evidence": [
        "photo 1: ornate scalloped tooling, extensive lacing, decorative straps, and ring-style closure do not resemble the documented Coach classic handbag construction",
        "photo 3: no visible COACH wordmark, horse-and-carriage, or Coach hangtag",
        "photo 4: no Coach creed patch or serial\/style number is visible on the exterior",
        "photo 2: interior appears suede\/leather, but no Coach identifier is visible",
        "photo 6: decorative western\/bohemian design is more consistent with an unbranded or artisan leather bag than a cataloged Coach model",
        "photo 1,3,4,6: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1,3,4,6: western-tooled embossed pattern with laced\/woven side seams - not Coach glove-tanned classic construction",
        "photo 4,6: closure is large metal rings on straps with central ring-tab, not Coach Cashin turnlock geometry with oval back-plate and slim tab",
        "photo 1,2: unlined suede interior with lacing, but no rectangular sewn-in creed patch on back wall or slip pocket visible",
        "photo 3-6: thin flat shoulder strap on large plain metal rings, not Coach buckle-adjustable or dogleash-clip construction"
    ],
    "missing_information": [
        "photo 2: interior back wall and all pockets should be photographed straight-on to confirm whether any creed, label, or maker mark is present",
        "photo 1: close-ups of all hardware, closure, and strap attachment points",
        "photo 3: underside, back, bottom, and both side panels are not fully documented",
        "seller-stated country of manufacture and any provenance or maker information",
        "photo 2: interior is shadowed\/blurry - need straight-on raking-light view of any stamped patch or interior markings to confirm no creed",
        "photo 1-6: no legible COACH wordmark, creed patch, or hangtag shown - request close-ups of interior back wall and any tags",
        "photo 4-6: hardware stamps not legible - request close-up of ring-clasp, rivets and strap rings"
    ],
    "authenticity_concerns": [
        "The visible construction and decorative tooling are inconsistent with the known Coach model catalog and classic Coach hardware conventions.",
        "No Coach identifier is visible in the supplied photos; the bag should be treated as non-Coach unless an interior maker mark is found.",
        "The central ring-and-box closure and decorative lacing appear unlike a vintage Coach turnlock."
    ],
    "possible_model_reasoning": [
        "No plausible Coach catalog model fits the heavily tooled, laced, western\/bohemian construction; possible identification is an unbranded or artisan vintage leather shoulder bag.",
        "Seller states a mid-to-late-1960s date, but this is not independently verifiable from the photos; the canonical pre-1975 label is used only as a tentative era estimate.",
        "Condition: Good to Very Good; visible scratches, scuffs, patina, and wear are present (photos 1 and 3), while strap integrity and hidden interior condition are not fully documented.",
        "No Coach catalog silhouette matches: tooled western flap with dual vertical straps, exposed lacing, and ring closure does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Duffle Sac (9085) or Cashin-era shapes",
        "No hard identifiers to decode: no creed text or serial visible, so no era decode possible; construction (tooled, laced, ring hardware) points away from 1960s-1990s Coach glove-tanned classics",
        "Condition: Very Good to Good; surface scratches and edge darkening (photo 4,6), strap wear, but no holes or broken hardware visible; interior not fully shown so capped"
    ],
    "estimated_era": "pre-1975 (Cashin \/ pre-creed)",
    "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: dark metal side fittings, rivets, decorative ring-and-box closure, and multiple leather straps; no clearly Coach-specific hardware visible",
        "leather_description": "photo 1: thick brown\/tan leather with extensive tooling, scalloped decorative edging, surface scratches, and pronounced patina",
        "lining_description": "photo 2: raw suede\/leather interior appears visible; exact construction and any lining label are not established",
        "strap_construction": "photos 3 and 5: long adjustable leather shoulder strap attached with metal rings and side tabs",
        "stitching_description": "photos 1\u20133: visible dark stitching appears generally even; extensive lacing is visible around the edges"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0043,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "pre-1975 (Cashin \/ pre-creed)",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: substantial leather shoulder bag with an aged, handcrafted appearance consistent with a vintage accessory",
                    "photo 3: visible long adjustable leather shoulder strap and side attachment hardware",
                    "photo 4: seller-provided ruler indicates a compact handbag approximately 9\u201310 inches wide"
                ],
                "negative_evidence": [
                    "photo 1: ornate scalloped tooling, extensive lacing, decorative straps, and ring-style closure do not resemble the documented Coach classic handbag construction",
                    "photo 3: no visible COACH wordmark, horse-and-carriage, or Coach hangtag",
                    "photo 4: no Coach creed patch or serial\/style number is visible on the exterior",
                    "photo 2: interior appears suede\/leather, but no Coach identifier is visible",
                    "photo 6: decorative western\/bohemian design is more consistent with an unbranded or artisan leather bag than a cataloged Coach model"
                ],
                "missing_information": [
                    "photo 2: interior back wall and all pockets should be photographed straight-on to confirm whether any creed, label, or maker mark is present",
                    "photo 1: close-ups of all hardware, closure, and strap attachment points",
                    "photo 3: underside, back, bottom, and both side panels are not fully documented",
                    "seller-stated country of manufacture and any provenance or maker information"
                ],
                "authenticity_concerns": [
                    "The visible construction and decorative tooling are inconsistent with the known Coach model catalog and classic Coach hardware conventions.",
                    "No Coach identifier is visible in the supplied photos; the bag should be treated as non-Coach unless an interior maker mark is found.",
                    "The central ring-and-box closure and decorative lacing appear unlike a vintage Coach turnlock."
                ],
                "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: dark metal side fittings, rivets, decorative ring-and-box closure, and multiple leather straps; no clearly Coach-specific hardware visible",
                    "leather_description": "photo 1: thick brown\/tan leather with extensive tooling, scalloped decorative edging, surface scratches, and pronounced patina",
                    "lining_description": "photo 2: raw suede\/leather interior appears visible; exact construction and any lining label are not established",
                    "strap_construction": "photos 3 and 5: long adjustable leather shoulder strap attached with metal rings and side tabs",
                    "stitching_description": "photos 1\u20133: visible dark stitching appears generally even; extensive lacing is visible around the edges"
                },
                "possible_model_reasoning": [
                    "No plausible Coach catalog model fits the heavily tooled, laced, western\/bohemian construction; possible identification is an unbranded or artisan vintage leather shoulder bag.",
                    "Seller states a mid-to-late-1960s date, but this is not independently verifiable from the photos; the canonical pre-1975 label is used only as a tentative era estimate.",
                    "Condition: Good to Very Good; visible scratches, scuffs, patina, and wear are present (photos 1 and 3), while strap integrity and hidden interior condition are not fully documented."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 2: interior is shadowed\/blurry - need straight-on raking-light view of any stamped patch or interior markings to confirm no creed",
                    "photo 1-6: no legible COACH wordmark, creed patch, or hangtag shown - request close-ups of interior back wall and any tags",
                    "photo 4-6: hardware stamps not legible - request close-up of ring-clasp, rivets and strap rings"
                ],
                "negative_evidence": [
                    "photo 1,3,4,6: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1,3,4,6: western-tooled embossed pattern with laced\/woven side seams - not Coach glove-tanned classic construction",
                    "photo 4,6: closure is large metal rings on straps with central ring-tab, not Coach Cashin turnlock geometry with oval back-plate and slim tab",
                    "photo 1,2: unlined suede interior with lacing, but no rectangular sewn-in creed patch on back wall or slip pocket visible",
                    "photo 3-6: thin flat shoulder strap on large plain metal rings, not Coach buckle-adjustable or dogleash-clip construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "aged brass-tone large O-rings on flap straps, small rectangular ring-clasp center, dome rivets; dull\/tarnished tone, no COACH engraving visible",
                    "leather_description": "medium-tan thick leather with darker brown burnished edges, western-tooled scalloped embossing, surface scratches and patina; unlined suede-back visible in photo 1-2",
                    "lining_description": "unlined - raw suede side visible in photo 1 open flap and photo 2 interior; no fabric lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching on vertical straps tone-matched, plus heavy black lacing\/woven thong at sides and bottom visible photo 1,3",
                    "strap_construction": "single narrow flat leather shoulder strap attached via large metal rings, adjustable holes visible photo 5, no brass buckle slide or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: thick leather with unlined suede interior and aged patina consistent with old bag, seller states thick leather",
                    "photo 4,6: ~10-11 in wide flap shoulder bag with tape measurements providing scale"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: tooled western flap with dual vertical straps, exposed lacing, and ring closure does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Duffle Sac (9085) or Cashin-era shapes",
                    "No hard identifiers to decode: no creed text or serial visible, so no era decode possible; construction (tooled, laced, ring hardware) points away from 1960s-1990s Coach glove-tanned classics",
                    "Condition: Very Good to Good; surface scratches and edge darkening (photo 4,6), strap wear, but no holes or broken hardware visible; interior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18115,
            "output_tokens": 933,
            "total_tokens": 19048,
            "estimated_cost_usd": 0.009485
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18666,
            "output_tokens": 1502,
            "total_tokens": 20168,
            "estimated_cost_usd": 0.004935
        }
    ]
}