Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.41,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.75,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather or leather-like shoulder handbag with an adjustable crossbody strap.",
        "photo 2: The bag has a substantial gold-tone rotary clasp and embossed reptile-pattern exterior."
    ],
    "negative_evidence": [
        "photo 1: The exterior is glossy croc-embossed material rather than the smooth, natural glove-tanned leather typical of classic vintage Coach.",
        "photo 2: The clasp is a large rectangular rotary clasp, not a recognizable vintage Coach turnlock; no Coach engraving is visible.",
        "photo 3: No Coach wordmark, horse-and-carriage mark, or leather hangtag is visible.",
        "photo 4: The front and strap construction appear generic and do not clearly match a catalog Coach silhouette.",
        "photo 6: The rear exterior shows no visible Coach identifier.",
        "photo 2: closure is a shiny gold-tone rectangular push-lock with circular keyhole, not thin oval Coach turnlock with slim tab",
        "photo 2, photo 5: black croc-embossed glossy leather, not matte glove-tanned cowhide with natural scars and veins",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, hangtag or engraved hardware visible",
        "photo 5, photo 6: thin flat adjustable strap with small buckle, no brass dogleash clips, wooden dowel or wide wrapped-edge duffle strap",
        "seller text states soft leather lining; vintage Coach classics are unlined suede-back, not soft leather lined"
    ],
    "missing_information": [
        "photo 5: Interior is not shown; request emptied interior, lining, pockets, and any sewn-in labels.",
        "No straight-on photo of a possible creed patch or serial\/style tag was provided.",
        "Request close-ups of the clasp, strap hardware, zipper or closure hardware, and all interior seams.",
        "Material is not confirmed as genuine leather rather than coated or synthetic embossed material.",
        "creed patch straight-on in raking light not shown - photo interior back wall and slip pocket",
        "interior lining, pockets and any fabric or leather stamps not shown",
        "bottom and all four corners not shown",
        "hardware back plate, zipper pull stamps and Made-in line not shown",
        "strap full length, buckle holes and fold-point cracking not shown in detail"
    ],
    "authenticity_concerns": [
        "The glossy embossed exterior and oversized decorative clasp are more consistent with a generic croc-embossed handbag than a vintage Coach classic.",
        "No Coach-specific identifier is visible in the supplied photos, so Coach manufacture cannot be supported.",
        "photo 2: no COACH identifier, creed, wordmark or horse-and-carriage visible to support Coach manufacture",
        "photo 2: rectangular gold-tone push-lock with keyhole is not Coach vintage turnlock geometry"
    ],
    "possible_model_reasoning": [
        "The approximately 8.5-inch base width, flap closure, and long strap describe a generic small shoulder bag; no Coach model is a close enough match to name.",
        "Seller's '70'\/'70s' wording is unverified by the photos and does not establish the era.",
        "Condition appears approximately Very Good from the visible exterior, with general surface creasing and light edge wear; interior, odor, and hardware function are unknown.",
        "No Coach identifier visible in any of 6 photos; silhouette is small flap crossbody with push-lock, not matching Willis (9927) dowel handle, Court (9870) turnlock, Station (5130) lobster strap or Dinky (9375) turnlock",
        "Construction - croc-emboss, plated push-lock, lined interior per seller - inconsistent with 1970s-1990s unlined glove-tanned solid-brass Coach classics",
        "Condition: Very Good to Excellent as photographed; exterior clean with light sheen (photo 3, photo 5), no corner wear visible but bottom not shown so capped; interior and odor unknown"
    ],
    "estimated_era": "unknown",
    "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": "Photos 1-5 show a large gold-tone rectangular rotary\/clasp closure, an adjustable strap buckle, and gold-tone strap attachments; no Coach engraving is legible.",
        "leather_description": "Photos 1-6 show glossy black croc-embossed material with structured panels; whether it is genuine leather or synthetic cannot be determined.",
        "lining_description": "not_visible",
        "strap_construction": "Photos 1, 4, and 5 show a long adjustable shoulder\/crossbody strap with a buckle and attached side hardware.",
        "stitching_description": "Photo 5 shows visible perimeter seams, but stitch quality and interior construction are not sufficiently detailed for assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.42,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather or leather-like shoulder handbag with an adjustable crossbody strap.",
                    "photo 2: The bag has a substantial gold-tone rotary clasp and embossed reptile-pattern exterior."
                ],
                "negative_evidence": [
                    "photo 1: The exterior is glossy croc-embossed material rather than the smooth, natural glove-tanned leather typical of classic vintage Coach.",
                    "photo 2: The clasp is a large rectangular rotary clasp, not a recognizable vintage Coach turnlock; no Coach engraving is visible.",
                    "photo 3: No Coach wordmark, horse-and-carriage mark, or leather hangtag is visible.",
                    "photo 4: The front and strap construction appear generic and do not clearly match a catalog Coach silhouette.",
                    "photo 6: The rear exterior shows no visible Coach identifier."
                ],
                "missing_information": [
                    "photo 5: Interior is not shown; request emptied interior, lining, pockets, and any sewn-in labels.",
                    "No straight-on photo of a possible creed patch or serial\/style tag was provided.",
                    "Request close-ups of the clasp, strap hardware, zipper or closure hardware, and all interior seams.",
                    "Material is not confirmed as genuine leather rather than coated or synthetic embossed material."
                ],
                "authenticity_concerns": [
                    "The glossy embossed exterior and oversized decorative clasp are more consistent with a generic croc-embossed handbag than a vintage Coach classic.",
                    "No Coach-specific identifier is visible in the supplied photos, so Coach manufacture cannot be supported."
                ],
                "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": "Photos 1-5 show a large gold-tone rectangular rotary\/clasp closure, an adjustable strap buckle, and gold-tone strap attachments; no Coach engraving is legible.",
                    "leather_description": "Photos 1-6 show glossy black croc-embossed material with structured panels; whether it is genuine leather or synthetic cannot be determined.",
                    "lining_description": "not_visible",
                    "strap_construction": "Photos 1, 4, and 5 show a long adjustable shoulder\/crossbody strap with a buckle and attached side hardware.",
                    "stitching_description": "Photo 5 shows visible perimeter seams, but stitch quality and interior construction are not sufficiently detailed for assessment."
                },
                "possible_model_reasoning": [
                    "The approximately 8.5-inch base width, flap closure, and long strap describe a generic small shoulder bag; no Coach model is a close enough match to name.",
                    "Seller's '70'\/'70s' wording is unverified by the photos and does not establish the era.",
                    "Condition appears approximately Very Good from the visible exterior, with general surface creasing and light edge wear; interior, odor, and hardware function are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2: no COACH identifier, creed, wordmark or horse-and-carriage visible to support Coach manufacture",
                    "photo 2: rectangular gold-tone push-lock with keyhole is not Coach vintage turnlock geometry"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.72,
                "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": [
                    "creed patch straight-on in raking light not shown - photo interior back wall and slip pocket",
                    "interior lining, pockets and any fabric or leather stamps not shown",
                    "bottom and all four corners not shown",
                    "hardware back plate, zipper pull stamps and Made-in line not shown",
                    "strap full length, buckle holes and fold-point cracking not shown in detail"
                ],
                "negative_evidence": [
                    "photo 2: closure is a shiny gold-tone rectangular push-lock with circular keyhole, not thin oval Coach turnlock with slim tab",
                    "photo 2, photo 5: black croc-embossed glossy leather, not matte glove-tanned cowhide with natural scars and veins",
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, hangtag or engraved hardware visible",
                    "photo 5, photo 6: thin flat adjustable strap with small buckle, no brass dogleash clips, wooden dowel or wide wrapped-edge duffle strap",
                    "seller text states soft leather lining; vintage Coach classics are unlined suede-back, not soft leather lined"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone rectangular push-lock clasp with keyhole on flap front (photo 2); matching gold-tone strap buckle; bright plated appearance, not solid brass turnlock",
                    "leather_description": "black croc-embossed leather with high gloss, buttery soft appearance per seller; not matte glove-tanned full-grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin flat shoulder strap, buckle-adjustable, seller states 43in max (photo 5, photo 6)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos; silhouette is small flap crossbody with push-lock, not matching Willis (9927) dowel handle, Court (9870) turnlock, Station (5130) lobster strap or Dinky (9375) turnlock",
                    "Construction - croc-emboss, plated push-lock, lined interior per seller - inconsistent with 1970s-1990s unlined glove-tanned solid-brass Coach classics",
                    "Condition: Very Good to Excellent as photographed; exterior clean with light sheen (photo 3, photo 5), no corner wear visible but bottom not shown so capped; interior and odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17776,
            "output_tokens": 873,
            "total_tokens": 18649,
            "estimated_cost_usd": 0.009206
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18113,
            "output_tokens": 1633,
            "total_tokens": 19746,
            "estimated_cost_usd": 0.004929
        }
    ]
}