Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.805,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: visible bag has a generic multi-zip hobo\/messenger silhouette with no legible Coach wordmark, carriage, creed patch, hangtag, or signature pattern.",
        "photo 1: bright silver-tone zipper hardware and numerous exposed exterior zippers are not characteristic evidence of a vintage Coach classic.",
        "photo 1: glossy, thin-looking leather or leather-like body and narrow strap construction appear more consistent with a modern generic fashion bag than vintage glove-tanned Coach.",
        "photo 1: seller identifies the item as unbranded; this is weak contextual evidence only, not proof of manufacture.",
        "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 1: triple front zip compartments with small leather pull tabs, silhouette does not match any vintage Coach catalog style",
        "photo 1: dark gunmetal-tone zipper hardware, inconsistent with solid brass hardware of vintage glove-tanned Coach classics",
        "photo 1: high-sheen soft burgundy material with slouchy drape consistent with modern fast-fashion faux\/PU leather, not matte glove-tanned cowhide",
        "photo 1: thin adjustable crossbody strap on small dark metal rings, not brass buckle\/dogleash construction"
    ],
    "missing_information": [
        "photo 1: interior, creed area, and any sewn-in brand or care labels are not shown.",
        "photo 1: zipper-pull stamps and hardware close-ups are not shown.",
        "photo 1: bottom, corners, strap attachment points, and stitching close-ups are not shown.",
        "Seller-stated material composition and dimensions are not provided.",
        "photo 1 only front view: no interior, creed patch, back, bottom, or side views shown",
        "close-up of zipper pulls and hardware stamps not shown",
        "lining material and interior pockets not shown",
        "strap ends, adjustment buckle and attachment hardware detail not shown",
        "material \/ fabric tag and country of manufacture not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the construction and hardware present as a generic unbranded lookalike rather than a recognizable Coach model; no Coach identifier is visible.",
        "photo 1: glossy leather-like finish, silver-tone hardware, and multi-pocket design are inconsistent with the usual solid-brass, glove-tanned construction of many vintage Coach classics."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible generic multi-zip hobo silhouette.",
        "The visible design is modern-leaning based on glossy material, silver-tone zipper hardware, and multiple exterior zip compartments; it does not support a vintage Coach date.",
        "Condition: unable to grade reliably because the interior, bottom, corners, and wear details are not shown; the displayed exterior appears intact.",
        "photo 1 multi-zip hobo\/crossbody with three top\/front zips has no counterpart in Coach classic or modern catalog; no Court, Willis, Station, Dinky or Ergo features",
        "no Coach hard identifiers visible: no creed patch, no wordmark, no hangtag, no solid brass turnlock",
        "materials and hardware (shiny soft body, gunmetal zips, thin strap) point to modern generic fast-fashion bag, not 1970s-1990s unlined glove-tanned Coach",
        "Condition: appears new\/unused in front view but cannot grade - only one exterior view, no corners, bottom, interior or strap wear shown"
    ],
    "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: multiple visible silver-tone zipper tracks and small strap rings; no turnlock, Coach engraving, or branded hangtag is visible.",
        "leather_description": "photo 1: burgundy smooth glossy leather-like material is visible; exact material cannot be determined from the photo.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long narrow adjustable-looking shoulder strap attached at side rings; adjustment and attachment details are only partly visible.",
        "stitching_description": "photo 1: multiple generally even vertical and horizontal stitched panels are visible; close-up quality is insufficient to assess stitch consistency fully."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: visible bag has a generic multi-zip hobo\/messenger silhouette with no legible Coach wordmark, carriage, creed patch, hangtag, or signature pattern.",
                    "photo 1: bright silver-tone zipper hardware and numerous exposed exterior zippers are not characteristic evidence of a vintage Coach classic.",
                    "photo 1: glossy, thin-looking leather or leather-like body and narrow strap construction appear more consistent with a modern generic fashion bag than vintage glove-tanned Coach.",
                    "photo 1: seller identifies the item as unbranded; this is weak contextual evidence only, not proof of manufacture."
                ],
                "missing_information": [
                    "photo 1: interior, creed area, and any sewn-in brand or care labels are not shown.",
                    "photo 1: zipper-pull stamps and hardware close-ups are not shown.",
                    "photo 1: bottom, corners, strap attachment points, and stitching close-ups are not shown.",
                    "Seller-stated material composition and dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: the construction and hardware present as a generic unbranded lookalike rather than a recognizable Coach model; no Coach identifier is visible.",
                    "photo 1: glossy leather-like finish, silver-tone hardware, and multi-pocket design are inconsistent with the usual solid-brass, glove-tanned construction of many vintage Coach classics."
                ],
                "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: multiple visible silver-tone zipper tracks and small strap rings; no turnlock, Coach engraving, or branded hangtag is visible.",
                    "leather_description": "photo 1: burgundy smooth glossy leather-like material is visible; exact material cannot be determined from the photo.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: long narrow adjustable-looking shoulder strap attached at side rings; adjustment and attachment details are only partly visible.",
                    "stitching_description": "photo 1: multiple generally even vertical and horizontal stitched panels are visible; close-up quality is insufficient to assess stitch consistency fully."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible generic multi-zip hobo silhouette.",
                    "The visible design is modern-leaning based on glossy material, silver-tone zipper hardware, and multiple exterior zip compartments; it does not support a vintage Coach date.",
                    "Condition: unable to grade reliably because the interior, bottom, corners, and wear details are not shown; the displayed exterior appears intact."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed patch, back, bottom, or side views shown",
                    "close-up of zipper pulls and hardware stamps not shown",
                    "lining material and interior pockets not shown",
                    "strap ends, adjustment buckle and attachment hardware detail not shown",
                    "material \/ fabric tag and country of manufacture not shown"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 1: triple front zip compartments with small leather pull tabs, silhouette does not match any vintage Coach catalog style",
                    "photo 1: dark gunmetal-tone zipper hardware, inconsistent with solid brass hardware of vintage glove-tanned Coach classics",
                    "photo 1: high-sheen soft burgundy material with slouchy drape consistent with modern fast-fashion faux\/PU leather, not matte glove-tanned cowhide",
                    "photo 1: thin adjustable crossbody strap on small dark metal rings, not brass buckle\/dogleash construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone zippers with small metal sliders and narrow leather pull tabs; small dark rings at strap attachments; no brass, no turnlock, no stamps visible",
                    "leather_description": "burgundy smooth high-sheen soft material with wrinkled slouch, appears to be faux\/PU soft leather rather than full-grain glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "vertical panel seaming on lower front body and horizontal seams around zip pockets; stitching tone-matched but construction detail limited by single distant view",
                    "strap_construction": "thin flat adjustable crossbody\/shoulder strap with sliding buckle, attached via small metal rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 multi-zip hobo\/crossbody with three top\/front zips has no counterpart in Coach classic or modern catalog; no Court, Willis, Station, Dinky or Ergo features",
                    "no Coach hard identifiers visible: no creed patch, no wordmark, no hangtag, no solid brass turnlock",
                    "materials and hardware (shiny soft body, gunmetal zips, thin strap) point to modern generic fast-fashion bag, not 1970s-1990s unlined glove-tanned Coach",
                    "Condition: appears new\/unused in front view but cannot grade - only one exterior view, no corners, bottom, interior or strap wear shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15840,
            "output_tokens": 739,
            "total_tokens": 16579,
            "estimated_cost_usd": 0.00811
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16156,
            "output_tokens": 1374,
            "total_tokens": 17530,
            "estimated_cost_usd": 0.00433
        }
    ]
}