Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.075,
    "vintage_probability": 0.16,
    "authenticity_confidence": 0.075,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.73,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather crossbody handbag with a long adjustable strap and multiple exterior compartments.",
        "photos 1-6: tan pebbled leather and substantial stitched construction are compatible with many leather handbag brands, including some Coach products.",
        "photos 2-5: a faint embossed mark appears on the front pocket, but it is not legible as COACH or a horse-and-carriage.",
        "photo 1-5: leather handbag in tan, the population where misidentified Coach can hide"
    ],
    "negative_evidence": [
        "photos 1-6: no legible COACH wordmark, creed patch, serial\/style number, hangtag, or horse-and-carriage identifier is visible.",
        "photos 1-6: the multi-zipper utility crossbody construction and pebbled leather do not closely match a confidently identifiable classic vintage Coach model from the catalog.",
        "photos 1-6: visible hardware appears dark or silver-tone rather than the solid brass commonly associated with classic 1970s-1990s Coach styles.",
        "photo 6: visible wear, creasing, and edge abrasion are consistent with a used generic leather bag but provide no brand evidence.",
        "photo 1-5: no turnlock of any type visible",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 2-5: front zip compartment with exterior flap slip pocket does not match vintage Coach catalog silhouettes",
        "photo 2-5: pebbled grain leather with thin strap and small dark rivet, not classic unlined glove-tanned with solid brass",
        "photo 5: zipper pull appears silver-tone \/ plated, not vintage solid brass Talon"
    ],
    "missing_information": [
        "Interior view, especially the back wall and all pockets, to check for a Coach creed or fabric tag.",
        "Close-up of the faint embossed mark on the front pocket, if it is a brand mark.",
        "Close-ups of every zipper pull, strap attachment, and hardware marking.",
        "Bottom, side, and full strap views; the current photos do not establish construction details throughout.",
        "interior views including back wall \/ slip pocket where creed would sit not shown",
        "creed patch close-up in raking light not shown",
        "hangtag \/ wordmark \/ hardware stamps not shown",
        "zipper pull brand stamp not legible",
        "lining material not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so the bag currently looks more like an unbranded or other-brand leather crossbody than a Coach bag.",
        "The faint front-pocket embossing is too indistinct to authenticate and could be a non-Coach logo or decorative mark.",
        "The modern utility-pocket silhouette and apparent dark\/silver hardware are not a strong match for a classic vintage Coach construction."
    ],
    "possible_model_reasoning": [
        "The silhouette is a medium utility-style multi-pocket crossbody, but it does not provide enough Coach-specific evidence to assign a catalog model.",
        "The front pocket's faint mark is not readable and cannot be treated as a Coach wordmark.",
        "Condition: Good; visible creasing, lower-edge abrasion, and wear at the base are present in photos 5-6; interior condition and odor are unknown.",
        "No Coach model fits: multi-pocket zip-front crossbody with exterior flap pocket, no turnlock, pebbled leather and plated zipper are inconsistent with 1970s-1990s classics; Condition: Good to Very Good; light edge wear and soiling at bottom edge in photo 6, otherwise intact, interior unknown 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": "photos 1-6: dark\/silver-tone rings, snaps, and zipper hardware are visible; no brand engraving is legible.",
        "leather_description": "photos 1-6: tan, pebbled leather with visible creasing, softening, and edge wear; seller describes it as Italian leather, but that origin is not verifiable from the photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-5: long adjustable leather shoulder\/crossbody strap attached at side rings; buckle and adjustment details are only partly visible.",
        "stitching_description": "photos 1-6: generally even tonal stitching is visible, with some wear and compression around the lower edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0031,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.12,
                "vintage_probability": 0.22,
                "authenticity_confidence": 0.11,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather crossbody handbag with a long adjustable strap and multiple exterior compartments.",
                    "photos 1-6: tan pebbled leather and substantial stitched construction are compatible with many leather handbag brands, including some Coach products.",
                    "photos 2-5: a faint embossed mark appears on the front pocket, but it is not legible as COACH or a horse-and-carriage."
                ],
                "negative_evidence": [
                    "photos 1-6: no legible COACH wordmark, creed patch, serial\/style number, hangtag, or horse-and-carriage identifier is visible.",
                    "photos 1-6: the multi-zipper utility crossbody construction and pebbled leather do not closely match a confidently identifiable classic vintage Coach model from the catalog.",
                    "photos 1-6: visible hardware appears dark or silver-tone rather than the solid brass commonly associated with classic 1970s-1990s Coach styles.",
                    "photo 6: visible wear, creasing, and edge abrasion are consistent with a used generic leather bag but provide no brand evidence."
                ],
                "missing_information": [
                    "Interior view, especially the back wall and all pockets, to check for a Coach creed or fabric tag.",
                    "Close-up of the faint embossed mark on the front pocket, if it is a brand mark.",
                    "Close-ups of every zipper pull, strap attachment, and hardware marking.",
                    "Bottom, side, and full strap views; the current photos do not establish construction details throughout."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so the bag currently looks more like an unbranded or other-brand leather crossbody than a Coach bag.",
                    "The faint front-pocket embossing is too indistinct to authenticate and could be a non-Coach logo or decorative mark.",
                    "The modern utility-pocket silhouette and apparent dark\/silver hardware are not a strong match for a classic vintage Coach construction."
                ],
                "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 1-6: dark\/silver-tone rings, snaps, and zipper hardware are visible; no brand engraving is legible.",
                    "leather_description": "photos 1-6: tan, pebbled leather with visible creasing, softening, and edge wear; seller describes it as Italian leather, but that origin is not verifiable from the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-5: long adjustable leather shoulder\/crossbody strap attached at side rings; buckle and adjustment details are only partly visible.",
                    "stitching_description": "photos 1-6: generally even tonal stitching is visible, with some wear and compression around the lower edges."
                },
                "possible_model_reasoning": [
                    "The silhouette is a medium utility-style multi-pocket crossbody, but it does not provide enough Coach-specific evidence to assign a catalog model.",
                    "The front pocket's faint mark is not readable and cannot be treated as a Coach wordmark.",
                    "Condition: Good; visible creasing, lower-edge abrasion, and wear at the base are present in photos 5-6; interior condition and odor are unknown."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including back wall \/ slip pocket where creed would sit not shown",
                    "creed patch close-up in raking light not shown",
                    "hangtag \/ wordmark \/ hardware stamps not shown",
                    "zipper pull brand stamp not legible",
                    "lining material not shown"
                ],
                "negative_evidence": [
                    "photo 1-5: no turnlock of any type visible",
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 2-5: front zip compartment with exterior flap slip pocket does not match vintage Coach catalog silhouettes",
                    "photo 2-5: pebbled grain leather with thin strap and small dark rivet, not classic unlined glove-tanned with solid brass",
                    "photo 5: zipper pull appears silver-tone \/ plated, not vintage solid brass Talon"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small zipper pulls and side strap rivets, tone dark \/ silver-tone in photos; no solid brass turnlock, buckle, or dogleash clips visible",
                    "leather_description": "tan \/ beige pebbled leather, soft slouchy hand, visible grain; not smooth glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched stitching around panels and pocket; no detailed close-up to assess",
                    "strap_construction": "thin flat crossbody strap attached at sides with riveted tabs; no buckle adjustment or brass clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-5: leather handbag in tan, the population where misidentified Coach can hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: multi-pocket zip-front crossbody with exterior flap pocket, no turnlock, pebbled leather and plated zipper are inconsistent with 1970s-1990s classics; Condition: Good to Very Good; light edge wear and soiling at bottom edge in photo 6, otherwise intact, interior unknown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17695,
            "output_tokens": 850,
            "total_tokens": 18545,
            "estimated_cost_usd": 0.009118
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18032,
            "output_tokens": 1041,
            "total_tokens": 19073,
            "estimated_cost_usd": 0.004439
        }
    ]
}