Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.875,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a finished rectangular shoulder\/clutch handbag with a removable chain strap",
        "photo 4: interior shows a zippered compartment and multiple compartments",
        "photo 5: seller imagery identifies bovine leather and decorative crystal\/laser-cut detailing, but these are not Coach-specific identifiers"
    ],
    "negative_evidence": [
        "photo 1: ornate laser-cut\/embossed decorative front, crystals, and a long silver-tone chain are unlike the understated solid-brass construction of classic vintage Coach",
        "photo 2: smooth metallic side hardware and chain construction appear modern and plated rather than vintage Coach solid brass",
        "photo 4: patterned synthetic-looking lining is inconsistent with many classic unlined glove-tanned Coach styles",
        "photo 5: contemporary embellished design and product-marketing graphic strongly suggest a modern non-Coach commercial bag",
        "photo 1: cream flap with laser-cut paisley embroidery, metallic applique and decorative crystals - never a vintage Coach treatment",
        "photo 1-3: silver-tone removable chain strap with leather shoulder pad - not vintage Coach solid-brass dogleash \/ buckle construction",
        "photo 4: dark printed synthetic lining with repeating motif and zip pocket - not unlined suede-back glove-tanned leather",
        "photo 4: snap \/ press clasp closure visible - no brass turnlock with correct geometry",
        "photos 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-5: no clear Coach wordmark, horse-and-carriage mark, or readable brand label is shown",
        "photo 1-5: no interior creed patch or serial\/style number is visible",
        "photo 1-5: no close-up of the small exterior logo application is provided",
        "photo 1-5: zipper-pull, hardware engraving, and complete strap attachment details are not shown",
        "creed patch \/ interior brand stamp close-up not shown (none visible in photo 4)",
        "hardware brand stamps \/ Made-in tag not shown",
        "bottom \/ corners close-up not shown"
    ],
    "authenticity_concerns": [
        "photo 1-5: no Coach identifier is visible, while the modern embellished design and chain hardware point to a lookalike or unrelated brand rather than Coach",
        "photo 4: patterned lining and contemporary snap\/compartment construction do not establish a Coach production line",
        "photo 1-5: no Coach creed, wordmark, horse-and-carriage or style-consistent hardware visible to support Coach manufacture",
        "photo 4: printed synthetic lining with repeating logo motif inconsistent with vintage Coach unlined glove-tanned construction"
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the rectangular embellished chain-clutch silhouette is not a distinctive vintage Coach catalog shape.",
        "Photo 5: the indicated 20 cm height and 25 cm width describe a modern evening\/shoulder bag, not enough to support a Coach style identification.",
        "Condition: appears new or unused in product photos, but stock-style images cannot verify actual condition, odor, or defects.",
        "No Coach model fits: silhouette, chain strap, laser embroidery, crystals and printed lining match modern fast-fashion \/ contemporary clutch-style bag, not any catalog style in 4.2 or 4.3",
        "Era reasoning: brand-new condition, silver-tone hardware, synthetic printed lining and decorative techniques indicate modern (2000s+) non-Coach manufacture",
        "Condition: New per seller and photos 1-4 show clean exterior, no corner wear visible; interior not fully gradable"
    ],
    "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 1-5: silver-tone chain strap, small metal snap\/closure, and polished side fittings; no readable Coach engraving visible",
        "leather_description": "photo 1-5: light-colored smooth or lightly textured leather-like exterior with laser-cut\/embossed ornamental panels; seller states bovine leather, but material cannot be independently confirmed",
        "lining_description": "photo 4: dark patterned textile lining with a zippered interior compartment",
        "strap_construction": "photo 1-5: removable silver-tone chain strap with a short light-colored shoulder section; adjustable configuration shown in photo 5",
        "stitching_description": "photo 3-4: visible seams appear generally even, but resolution and product-photography angle limit detailed construction assessment"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a finished rectangular shoulder\/clutch handbag with a removable chain strap",
                    "photo 4: interior shows a zippered compartment and multiple compartments",
                    "photo 5: seller imagery identifies bovine leather and decorative crystal\/laser-cut detailing, but these are not Coach-specific identifiers"
                ],
                "negative_evidence": [
                    "photo 1: ornate laser-cut\/embossed decorative front, crystals, and a long silver-tone chain are unlike the understated solid-brass construction of classic vintage Coach",
                    "photo 2: smooth metallic side hardware and chain construction appear modern and plated rather than vintage Coach solid brass",
                    "photo 4: patterned synthetic-looking lining is inconsistent with many classic unlined glove-tanned Coach styles",
                    "photo 5: contemporary embellished design and product-marketing graphic strongly suggest a modern non-Coach commercial bag"
                ],
                "missing_information": [
                    "photo 1-5: no clear Coach wordmark, horse-and-carriage mark, or readable brand label is shown",
                    "photo 1-5: no interior creed patch or serial\/style number is visible",
                    "photo 1-5: no close-up of the small exterior logo application is provided",
                    "photo 1-5: zipper-pull, hardware engraving, and complete strap attachment details are not shown"
                ],
                "authenticity_concerns": [
                    "photo 1-5: no Coach identifier is visible, while the modern embellished design and chain hardware point to a lookalike or unrelated brand rather than Coach",
                    "photo 4: patterned lining and contemporary snap\/compartment construction do not establish a Coach production line"
                ],
                "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 1-5: silver-tone chain strap, small metal snap\/closure, and polished side fittings; no readable Coach engraving visible",
                    "leather_description": "photo 1-5: light-colored smooth or lightly textured leather-like exterior with laser-cut\/embossed ornamental panels; seller states bovine leather, but material cannot be independently confirmed",
                    "lining_description": "photo 4: dark patterned textile lining with a zippered interior compartment",
                    "strap_construction": "photo 1-5: removable silver-tone chain strap with a short light-colored shoulder section; adjustable configuration shown in photo 5",
                    "stitching_description": "photo 3-4: visible seams appear generally even, but resolution and product-photography angle limit detailed construction assessment"
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the rectangular embellished chain-clutch silhouette is not a distinctive vintage Coach catalog shape.",
                    "Photo 5: the indicated 20 cm height and 25 cm width describe a modern evening\/shoulder bag, not enough to support a Coach style identification.",
                    "Condition: appears new or unused in product photos, but stock-style images cannot verify actual condition, odor, or defects."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: no Coach creed, wordmark, horse-and-carriage or style-consistent hardware visible to support Coach manufacture",
                    "photo 4: printed synthetic lining with repeating logo motif inconsistent with vintage Coach unlined glove-tanned construction"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch \/ interior brand stamp close-up not shown (none visible in photo 4)",
                    "hardware brand stamps \/ Made-in tag not shown",
                    "bottom \/ corners close-up not shown"
                ],
                "negative_evidence": [
                    "photo 1: cream flap with laser-cut paisley embroidery, metallic applique and decorative crystals - never a vintage Coach treatment",
                    "photo 1-3: silver-tone removable chain strap with leather shoulder pad - not vintage Coach solid-brass dogleash \/ buckle construction",
                    "photo 4: dark printed synthetic lining with repeating motif and zip pocket - not unlined suede-back glove-tanned leather",
                    "photo 4: snap \/ press clasp closure visible - no brass turnlock with correct geometry",
                    "photos 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone chain strap and snap-type clasp; no solid brass turnlock, no brass dogleash clips, no COACH stamping visible",
                    "leather_description": "cream \/ off-white smooth bovine leather with laser-cut embossed paisley flap overlay, crystals and metallic applique",
                    "lining_description": "dark printed synthetic lining with repeating logo-like pattern, interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone edge stitching on flap, otherwise not_visible in detail",
                    "strap_construction": "removable silver-tone chain with leather shoulder pad section, adjustable per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, chain strap, laser embroidery, crystals and printed lining match modern fast-fashion \/ contemporary clutch-style bag, not any catalog style in 4.2 or 4.3",
                    "Era reasoning: brand-new condition, silver-tone hardware, synthetic printed lining and decorative techniques indicate modern (2000s+) non-Coach manufacture",
                    "Condition: New per seller and photos 1-4 show clean exterior, no corner wear visible; interior not fully gradable"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17794,
            "output_tokens": 812,
            "total_tokens": 18606,
            "estimated_cost_usd": 0.009066
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18321,
            "output_tokens": 1393,
            "total_tokens": 19714,
            "estimated_cost_usd": 0.004779
        }
    ]
}