Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.78,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a large leather handbag with shoulder handles and an exterior front pocket.",
        "photo 5: Interior appears leather or leather-like and shows a basic open tote construction."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, hangtag, or Coach-style turnlock.",
        "photo 2: Silver-tone hardware and a contemporary pebbled tote silhouette do not strongly match classic vintage Coach construction.",
        "photo 3: Hardware appears bright silver-tone rather than the solid brass commonly seen on vintage Coach classics.",
        "photo 4: Visible interior lacks a rectangular Coach creed patch and no serial or style number is readable.",
        "photo 5: Interior construction is generic and no Coach identifier is visible.",
        "photo 1, photo 2: no turnlock, no brass hardware - only small silver-tone D-rings, rivets and lobster clasp",
        "photo 1-4: no COACH wordmark, horse-and-carriage, or creed patch visible anywhere",
        "photo 1, photo 2: thin flat shoulder straps with dark painted edges and sewn-on teardrop ends - not vintage Coach glove-tanned strap construction with solid brass",
        "photo 3: reversible-style tote with detachable zip pouch on tether - silhouette does not match any vintage Coach catalog style (City Bag, Court, Station, Duffle, etc.)",
        "photo 1-3: pebbled tan leather with sheen and painted edges - not matte glove-tanned cowhide with raw suede-back unlined interior of 1970s-1990s Coach"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket for a possible creed patch or fabric tag.",
        "Close-up photos of all hardware, zipper pulls, and any hidden labels.",
        "Bottom, corners, and strap attachment details.",
        "Seller-stated dimensions and any visible maker or country-of-origin markings.",
        "photo 4: interior shown but no creed patch visible - need straight-on raking-light photo of interior walls\/pockets to confirm no creed",
        "photo 1-3: no legible brand stamp on hardware, zipper pull, or rivets - need hardware close-ups",
        "photo 1-3: no hangtag or wordmark shown - confirm none present",
        "seller-stated dimensions, material, and country of origin not provided"
    ],
    "authenticity_concerns": [
        "No visible Coach identifier supports treating this as a generic leather handbag rather than a Coach bag.",
        "The modern pebbled tote design and bright silver-tone hardware are inconsistent with a typical vintage Coach classic, though no specific counterfeit branding is visible."
    ],
    "possible_model_reasoning": [
        "The silhouette is a large contemporary tote with an exterior zip pocket, not a close match for the listed vintage Coach classic silhouettes.",
        "No serial or creed is visible, so there is no basis for dating or identifying a Coach model.",
        "Condition appears Good to Very Good from the visible photos: notable creasing and edge wear are present, while major tears or broken hardware are not apparent; bottom and full interior condition remain incompletely documented.",
        "No Coach identifiers visible in any photo - no creed, no wordmark, no hangtag, no brass turnlock - so no Coach model can be ranked",
        "Silhouette is large open-top reversible tote with side D-rings and included zip pouch, inconsistent with 1970s-1990s Coach classics which use turnlock flap, solid brass, and thick glove-tanned straps",
        "Condition: Very Good to Excellent based on photos; leather uniform with light sheen, no corner wear-through visible (photo 1 bottom view limited), straps intact, interior looks clean (photo 4) but no bottom or close-up views 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": "Bright silver-tone rings, clips, rivets, and zipper hardware visible; no Coach engraving is legible.",
        "leather_description": "Tan\/orange pebbled leather or leather-like material with a relatively uniform finish; exact material cannot be confirmed from photos.",
        "lining_description": "Tan leather or leather-like interior visible; no printed lining or creed patch is visible.",
        "strap_construction": "Two fixed shoulder handles with stitched leather tabs; a separate narrow strap or accessory appears attached near the top in photos 1 and 3.",
        "stitching_description": "Visible machine stitching is generally even, with dark edge finishing; close stress-point assessment is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0047,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a large leather handbag with shoulder handles and an exterior front pocket.",
                    "photo 5: Interior appears leather or leather-like and shows a basic open tote construction."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, hangtag, or Coach-style turnlock.",
                    "photo 2: Silver-tone hardware and a contemporary pebbled tote silhouette do not strongly match classic vintage Coach construction.",
                    "photo 3: Hardware appears bright silver-tone rather than the solid brass commonly seen on vintage Coach classics.",
                    "photo 4: Visible interior lacks a rectangular Coach creed patch and no serial or style number is readable.",
                    "photo 5: Interior construction is generic and no Coach identifier is visible."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket for a possible creed patch or fabric tag.",
                    "Close-up photos of all hardware, zipper pulls, and any hidden labels.",
                    "Bottom, corners, and strap attachment details.",
                    "Seller-stated dimensions and any visible maker or country-of-origin markings."
                ],
                "authenticity_concerns": [
                    "No visible Coach identifier supports treating this as a generic leather handbag rather than a Coach bag.",
                    "The modern pebbled tote design and bright silver-tone hardware are inconsistent with a typical vintage Coach classic, though no specific counterfeit branding is visible."
                ],
                "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": "Bright silver-tone rings, clips, rivets, and zipper hardware visible; no Coach engraving is legible.",
                    "leather_description": "Tan\/orange pebbled leather or leather-like material with a relatively uniform finish; exact material cannot be confirmed from photos.",
                    "lining_description": "Tan leather or leather-like interior visible; no printed lining or creed patch is visible.",
                    "strap_construction": "Two fixed shoulder handles with stitched leather tabs; a separate narrow strap or accessory appears attached near the top in photos 1 and 3.",
                    "stitching_description": "Visible machine stitching is generally even, with dark edge finishing; close stress-point assessment is limited."
                },
                "possible_model_reasoning": [
                    "The silhouette is a large contemporary tote with an exterior zip pocket, not a close match for the listed vintage Coach classic silhouettes.",
                    "No serial or creed is visible, so there is no basis for dating or identifying a Coach model.",
                    "Condition appears Good to Very Good from the visible photos: notable creasing and edge wear are present, while major tears or broken hardware are not apparent; bottom and full interior condition remain incompletely documented."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: interior shown but no creed patch visible - need straight-on raking-light photo of interior walls\/pockets to confirm no creed",
                    "photo 1-3: no legible brand stamp on hardware, zipper pull, or rivets - need hardware close-ups",
                    "photo 1-3: no hangtag or wordmark shown - confirm none present",
                    "seller-stated dimensions, material, and country of origin not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no turnlock, no brass hardware - only small silver-tone D-rings, rivets and lobster clasp",
                    "photo 1-4: no COACH wordmark, horse-and-carriage, or creed patch visible anywhere",
                    "photo 1, photo 2: thin flat shoulder straps with dark painted edges and sewn-on teardrop ends - not vintage Coach glove-tanned strap construction with solid brass",
                    "photo 3: reversible-style tote with detachable zip pouch on tether - silhouette does not match any vintage Coach catalog style (City Bag, Court, Station, Duffle, etc.)",
                    "photo 1-3: pebbled tan leather with sheen and painted edges - not matte glove-tanned cowhide with raw suede-back unlined interior of 1970s-1990s Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone D-rings at sides, rivets, small lobster clasp and bar zipper pull on pouch; no brass turnlock, no COACH stamping visible",
                    "leather_description": "tan \/ light brown pebbled leather with light sheen, appears thin with dark painted edges",
                    "lining_description": "photo 4: appears unlined - same tan leather \/ suede-like interior, no fabric lining, no pockets or creed visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching at top edge and strap anchors; no detail close-up visible",
                    "strap_construction": "two thin fixed shoulder straps sewn to body plus thin detachable tether for pouch; no buckle adjustment, no dogleash clips, no dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo - no creed, no wordmark, no hangtag, no brass turnlock - so no Coach model can be ranked",
                    "Silhouette is large open-top reversible tote with side D-rings and included zip pouch, inconsistent with 1970s-1990s Coach classics which use turnlock flap, solid brass, and thick glove-tanned straps",
                    "Condition: Very Good to Excellent based on photos; leather uniform with light sheen, no corner wear-through visible (photo 1 bottom view limited), straps intact, interior looks clean (photo 4) but no bottom or close-up views so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27086,
            "output_tokens": 770,
            "total_tokens": 27856,
            "estimated_cost_usd": 0.012682
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28826,
            "output_tokens": 1340,
            "total_tokens": 30166,
            "estimated_cost_usd": 0.006837
        }
    ]
}