Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.86,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather or leather-like handbag with a crossbody chain strap and tassel.",
        "photo 4: the bag appears to use leather or leather-like woven strips rather than fabric or plastic."
    ],
    "negative_evidence": [
        "photo 1: woven geometric body, oversized chain strap, tassel, and bright gold-tone hardware do not match the classic Coach silhouettes shown in the reference catalog.",
        "photo 4: interior lacks a visible Coach creed patch, wordmark, or horse-and-carriage identifier.",
        "photo 5: interior shows a generic light lining and a small zip pocket; no Coach label or serial tag is visible.",
        "photo 1: the closure and chain attachments are generic decorative hardware rather than a recognizable vintage Coach turnlock and strap construction.",
        "seller lists the item as unbranded; this is weak evidence but consistent with the absence of visible Coach branding.",
        "photo 1-3: all-over woven intrecciato strips - not a vintage Coach glove-tanned classic construction",
        "photo 1-3: bright gold-tone plated chain strap through large eyelets - not solid brass dogleash\/lobster or leather strap of classics",
        "photo 4: side tassel with gold-tone quilted cap - not Coach hangtag or classic detail",
        "photo 5-6: magnetic snap closure with two gold-tone discs - no turnlock of any geometry",
        "photo 5-6: lined interior in off-white synthetic with white nylon zipper pocket - not unlined suede-back glove-tanned with Talon\/YKK brass zip",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible anywhere"
    ],
    "missing_information": [
        "photo 4: a straight-on close-up of every interior wall and pocket seam to confirm that no creed or fabric label is present.",
        "photo 1: close-ups of the chain attachments, zipper pull, and any hidden hardware stamps.",
        "photo 1: bottom, corners, and full strap\/chain condition views.",
        "seller-stated dimensions and confirmation of whether the exterior and lining are genuine leather or synthetic material.",
        "No creed patch visible - interior shown in photo 5-6 with no stamped leather patch; confirm no patch in slip pocket",
        "No hardware brand stamps shown - request close-up of chain, eyelets, magnetic snaps and zipper pull",
        "No bottom, back, or scale\/dimensions shown"
    ],
    "authenticity_concerns": [
        "The visible design and hardware are generic and do not provide a Coach identifier; a Coach attribution cannot be supported from these photos.",
        "The bright, highly decorative chain and woven pattern are inconsistent with the documented classic vintage Coach construction, which generally uses solid brass functional hardware and identifiable silhouettes."
    ],
    "possible_model_reasoning": [
        "No documented Coach model closely matches the woven cream body, tassel, and elaborate chain construction visible in photos 1\u20134.",
        "The visible magnetic-style closure, generic lining, and decorative chain are more consistent with an unbranded contemporary fashion crossbody than with a vintage Coach classic.",
        "Condition: Good to Very Good based on visible scuffs and edge wear around the woven strips (photos 1 and 3); interior appears intact in photo 5, but odor and hidden damage are unknown.",
        "No Coach model fits: silhouette is small woven flap crossbody with chain and tassel and magnetic snaps, unlike City Bag (9790), Dinky (9375), Court (9870), Willis (9927) or other turnlock classics",
        "No identifiers to decode: no creed, no serial, no wordmark, no hangtag in any photo",
        "Era by construction is modern non-Coach: woven coated material, plated chain, magnetic snaps, synthetic lining",
        "Condition: Very Good; exterior woven strips appear intact with light soiling in photo 1-3, interior clean in photo 5-6, chain bright; bottom corners and strap wear not shown so capped"
    ],
    "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: bright gold-tone chain strap, circular chain attachment rings, round magnetic-style closure hardware, and decorative side hardware; no branding is legible.",
        "leather_description": "photo 1: cream woven strips with visible grain-like texture; genuine leather versus coated or synthetic material cannot be confirmed.",
        "lining_description": "photo 5: light cream lining or leather-like interior with one zip pocket; no brand label is visible.",
        "strap_construction": "photo 1: long decorative gold-tone chain threaded through circular top attachments; no leather shoulder section is visible.",
        "stitching_description": "photos 1 and 5: perimeter stitching is visible and generally even, with some loose or rough-looking edges around the woven strips and interior opening."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather or leather-like handbag with a crossbody chain strap and tassel.",
                    "photo 4: the bag appears to use leather or leather-like woven strips rather than fabric or plastic."
                ],
                "negative_evidence": [
                    "photo 1: woven geometric body, oversized chain strap, tassel, and bright gold-tone hardware do not match the classic Coach silhouettes shown in the reference catalog.",
                    "photo 4: interior lacks a visible Coach creed patch, wordmark, or horse-and-carriage identifier.",
                    "photo 5: interior shows a generic light lining and a small zip pocket; no Coach label or serial tag is visible.",
                    "photo 1: the closure and chain attachments are generic decorative hardware rather than a recognizable vintage Coach turnlock and strap construction.",
                    "seller lists the item as unbranded; this is weak evidence but consistent with the absence of visible Coach branding."
                ],
                "missing_information": [
                    "photo 4: a straight-on close-up of every interior wall and pocket seam to confirm that no creed or fabric label is present.",
                    "photo 1: close-ups of the chain attachments, zipper pull, and any hidden hardware stamps.",
                    "photo 1: bottom, corners, and full strap\/chain condition views.",
                    "seller-stated dimensions and confirmation of whether the exterior and lining are genuine leather or synthetic material."
                ],
                "authenticity_concerns": [
                    "The visible design and hardware are generic and do not provide a Coach identifier; a Coach attribution cannot be supported from these photos.",
                    "The bright, highly decorative chain and woven pattern are inconsistent with the documented classic vintage Coach construction, which generally uses solid brass functional hardware and identifiable silhouettes."
                ],
                "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: bright gold-tone chain strap, circular chain attachment rings, round magnetic-style closure hardware, and decorative side hardware; no branding is legible.",
                    "leather_description": "photo 1: cream woven strips with visible grain-like texture; genuine leather versus coated or synthetic material cannot be confirmed.",
                    "lining_description": "photo 5: light cream lining or leather-like interior with one zip pocket; no brand label is visible.",
                    "strap_construction": "photo 1: long decorative gold-tone chain threaded through circular top attachments; no leather shoulder section is visible.",
                    "stitching_description": "photos 1 and 5: perimeter stitching is visible and generally even, with some loose or rough-looking edges around the woven strips and interior opening."
                },
                "possible_model_reasoning": [
                    "No documented Coach model closely matches the woven cream body, tassel, and elaborate chain construction visible in photos 1\u20134.",
                    "The visible magnetic-style closure, generic lining, and decorative chain are more consistent with an unbranded contemporary fashion crossbody than with a vintage Coach classic.",
                    "Condition: Good to Very Good based on visible scuffs and edge wear around the woven strips (photos 1 and 3); interior appears intact in photo 5, but odor and hidden damage are unknown."
                ],
                "confidence": 0.87,
                "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": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible - interior shown in photo 5-6 with no stamped leather patch; confirm no patch in slip pocket",
                    "No hardware brand stamps shown - request close-up of chain, eyelets, magnetic snaps and zipper pull",
                    "No bottom, back, or scale\/dimensions shown"
                ],
                "negative_evidence": [
                    "photo 1-3: all-over woven intrecciato strips - not a vintage Coach glove-tanned classic construction",
                    "photo 1-3: bright gold-tone plated chain strap through large eyelets - not solid brass dogleash\/lobster or leather strap of classics",
                    "photo 4: side tassel with gold-tone quilted cap - not Coach hangtag or classic detail",
                    "photo 5-6: magnetic snap closure with two gold-tone discs - no turnlock of any geometry",
                    "photo 5-6: lined interior in off-white synthetic with white nylon zipper pocket - not unlined suede-back glove-tanned with Talon\/YKK brass zip",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible anywhere"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated chain crossbody strap through round eyelets; two large magnetic snap discs plus top snap on flap; white-metal zipper pull; high-shine plated finish, not solid brass patina",
                    "leather_description": "cream\/off-white woven narrow strips in diagonal intrecciato pattern on flap and body; smooth coated appearance, not glove-tanned full-grain",
                    "lining_description": "off-white smooth synthetic lining with white nylon zipper tape pocket in photo 5-6; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin straight edge stitching around flap perimeter visible in photo 5-6; no heavy contrast or uneven vintage stitching visible",
                    "strap_construction": "long gold-tone link chain, no leather shoulder pad, attached via eyelets at top edge in photo 1-3",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is small woven flap crossbody with chain and tassel and magnetic snaps, unlike City Bag (9790), Dinky (9375), Court (9870), Willis (9927) or other turnlock classics",
                    "No identifiers to decode: no creed, no serial, no wordmark, no hangtag in any photo",
                    "Era by construction is modern non-Coach: woven coated material, plated chain, magnetic snaps, synthetic lining",
                    "Condition: Very Good; exterior woven strips appear intact with light soiling in photo 1-3, interior clean in photo 5-6, chain bright; bottom corners and strap wear not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28731,
            "output_tokens": 870,
            "total_tokens": 29601,
            "estimated_cost_usd": 0.01358
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30005,
            "output_tokens": 1496,
            "total_tokens": 31501,
            "estimated_cost_usd": 0.007198
        }
    ]
}