Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.335,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.83,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-appearing small handbag, the population where misidentified Coach could hide - requires full workup"
    ],
    "negative_evidence": [
        "photo 1: small brown leather crossbody purse with a generic rectangular silhouette and no visible Coach branding.",
        "photo 2: interior has a fabric lining and a small sewn-in label that does not visibly read COACH or show a Coach creed.",
        "photo 2: silver-tone kisslock frame is not the solid-brass turnlock construction typical of many vintage Coach classics.",
        "photo 3: visible interior hardware and snap show no legible Coach marking or distinctive Coach identifier.",
        "photo 1: small rectangular kisslock \/ snap purse with thin crossbody strap - silhouette matches no vintage Coach catalog style",
        "photo 2: brown woven fabric lining and silver-tone kisslock frame - vintage Coach classics are unlined suede-back glove-tanned with solid brass hardware",
        "photo 2: interior fabric tag reads CHINA \/ LEATHER - no Coach creed patch, no COACH wordmark, no horse-and-carriage, no No. serial",
        "photo 3: silver-tone snap closure and fabric-lined gusset - construction inconsistent with 1970s-1990s Coach leatherwork"
    ],
    "missing_information": [
        "photo 1: bottom, side seams, and strap attachment details are not shown closely.",
        "photo 2: the small interior label is too small to read completely; a straight-on close-up would help identify its maker.",
        "photo 1: no dedicated close-up of any exterior or interior brand mark is provided.",
        "No bottom \/ corner close-up to refine condition grade, but interior and construction already exclude Coach"
    ],
    "authenticity_concerns": [
        "The visible fabric lining, silver-tone kisslock frame, and generic construction do not match the strongest vintage Coach indicators.",
        "No creed, serial\/style number, Coach wordmark, or horse-and-carriage identifier is visible."
    ],
    "possible_model_reasoning": [
        "The framed kisslock design is not a close match for the listed vintage Coach classic models, which more commonly use turnlock, flap, zipper, or documented frame constructions.",
        "Condition appears approximately Very Good: light creasing and ordinary handling are visible, with no obvious tears or major wear; bottom and strap condition are incompletely shown.",
        "The interior label and construction should be identified before treating this as a branded vintage collectible.",
        "No Coach model fits: kisslock frame + snap + fabric lining + thin strap + China tag is inconsistent with Dinky (9375), Pocket Purse (9755), or Cashin kisslock Swinger\/Double Header which are unlined glove-tanned with brass frames and pre-creed labels",
        "Era reasoning: fabric lining + silver-tone hardware + China fabric tag points to modern (2000s+) mass-market non-Coach",
        "Condition: Good to Very Good; exterior looks clean with light creasing in photo 1, interior lining looks clean in photos 2-3, no bottom view so corners\/edges unknown"
    ],
    "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 2: silver-tone metal kisslock frame and closure; no Coach engraving visible.",
        "leather_description": "photo 1: smooth dark-brown leather or leather-like exterior with rounded rectangular construction; surface appears lightly creased.",
        "lining_description": "photo 2: brown woven fabric lining with a small black sewn-in label; text is not fully legible and does not visibly identify Coach.",
        "strap_construction": "photo 1: long, thin matching brown strap attached to the purse; attachment hardware is not clearly shown.",
        "stitching_description": "photos 1-3: perimeter stitching appears generally even, though detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0123,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: small brown leather crossbody purse with a generic rectangular silhouette and no visible Coach branding.",
                    "photo 2: interior has a fabric lining and a small sewn-in label that does not visibly read COACH or show a Coach creed.",
                    "photo 2: silver-tone kisslock frame is not the solid-brass turnlock construction typical of many vintage Coach classics.",
                    "photo 3: visible interior hardware and snap show no legible Coach marking or distinctive Coach identifier."
                ],
                "missing_information": [
                    "photo 1: bottom, side seams, and strap attachment details are not shown closely.",
                    "photo 2: the small interior label is too small to read completely; a straight-on close-up would help identify its maker.",
                    "photo 1: no dedicated close-up of any exterior or interior brand mark is provided."
                ],
                "authenticity_concerns": [
                    "The visible fabric lining, silver-tone kisslock frame, and generic construction do not match the strongest vintage Coach indicators.",
                    "No creed, serial\/style number, Coach wordmark, or horse-and-carriage identifier 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": "photo 2: silver-tone metal kisslock frame and closure; no Coach engraving visible.",
                    "leather_description": "photo 1: smooth dark-brown leather or leather-like exterior with rounded rectangular construction; surface appears lightly creased.",
                    "lining_description": "photo 2: brown woven fabric lining with a small black sewn-in label; text is not fully legible and does not visibly identify Coach.",
                    "strap_construction": "photo 1: long, thin matching brown strap attached to the purse; attachment hardware is not clearly shown.",
                    "stitching_description": "photos 1-3: perimeter stitching appears generally even, though detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "The framed kisslock design is not a close match for the listed vintage Coach classic models, which more commonly use turnlock, flap, zipper, or documented frame constructions.",
                    "Condition appears approximately Very Good: light creasing and ordinary handling are visible, with no obvious tears or major wear; bottom and strap condition are incompletely shown.",
                    "The interior label and construction should be identified before treating this as a branded vintage collectible."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No bottom \/ corner close-up to refine condition grade, but interior and construction already exclude Coach"
                ],
                "negative_evidence": [
                    "photo 1: small rectangular kisslock \/ snap purse with thin crossbody strap - silhouette matches no vintage Coach catalog style",
                    "photo 2: brown woven fabric lining and silver-tone kisslock frame - vintage Coach classics are unlined suede-back glove-tanned with solid brass hardware",
                    "photo 2: interior fabric tag reads CHINA \/ LEATHER - no Coach creed patch, no COACH wordmark, no horse-and-carriage, no No. serial",
                    "photo 3: silver-tone snap closure and fabric-lined gusset - construction inconsistent with 1970s-1990s Coach leatherwork"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame in photo 2 and silver-tone snap in photo 3; thin, plated appearance, not solid brass vintage Coach hardware; no turnlock",
                    "leather_description": "dark brown smooth thin leather exterior in photo 1, no glove-tanned grain \/ patina visible",
                    "lining_description": "brown woven fabric lining visible in photos 2-3, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible around top edge in photo 1, otherwise not close enough to assess; no contrast or irregularity noted",
                    "strap_construction": "thin flat unadjustable crossbody strap, same brown leather, no buckle, no dogleash clips, no dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather-appearing small handbag, the population where misidentified Coach could hide - requires full workup"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: kisslock frame + snap + fabric lining + thin strap + China tag is inconsistent with Dinky (9375), Pocket Purse (9755), or Cashin kisslock Swinger\/Double Header which are unlined glove-tanned with brass frames and pre-creed labels",
                    "Era reasoning: fabric lining + silver-tone hardware + China fabric tag points to modern (2000s+) mass-market non-Coach",
                    "Condition: Good to Very Good; exterior looks clean with light creasing in photo 1, interior lining looks clean in photos 2-3, no bottom view so corners\/edges unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16603,
            "output_tokens": 791,
            "total_tokens": 17394,
            "estimated_cost_usd": 0.00854
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17018,
            "output_tokens": 1418,
            "total_tokens": 18436,
            "estimated_cost_usd": 0.004538
        }
    ]
}