Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.82,
    "recommended_max_bid": 17.5,
    "estimated_resale_low": 25,
    "estimated_resale_high": 75,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly structured leather handbag with interior compartments, zip pockets, and a shoulder-strap attachment.",
        "photo 2: red leather exterior and decorative metal closure are visible.",
        "photo 1 and photo 2: leather handbag construction in red - general population where misidentified Coach could hide, but no specific Coach identifier"
    ],
    "negative_evidence": [
        "photo 2: visible metal plaque reads Miu Miu, not COACH.",
        "photo 1: interior hardware\/label area does not show a Coach creed, Coach wordmark, or horse-and-carriage.",
        "photo 1: black interior lining and contemporary-looking construction do not specifically suggest a classic vintage Coach bag.",
        "photo 1: black fabric lining with interior zip pocket - not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 1: rectangular magnetic snap closure on red tab - not Coach turnlock geometry",
        "photo 1 and photo 2: dark gunmetal\/nickel-tone hardware - not solid brass of 1970s-early 1990s Coach",
        "photo 2: non-Coach rectangular metal brand plate on red leather exterior - no COACH wordmark or horse-and-carriage visible",
        "no creed patch, no leather COACH hangtag, no brass dogleash clips visible in either photo"
    ],
    "missing_information": [
        "photo 1: no full front, back, bottom, or strap view.",
        "photo 1: no readable interior brand label or serial\/style tag beyond the visible Miu Miu branding.",
        "photo 2: closure and hardware are shown, but the full bag silhouette and dimensions are absent.",
        "photo 1: interior only, no full front\/back\/bottom exterior views to assess silhouette and condition",
        "photo 1: creed patch area not shown - need straight-on interior back wall and slip pocket in raking light",
        "photo 2: brand plate illegible - need straight-on readable photo of exterior metal plate and zipper-pull engraving",
        "hangtag, turnlock\/back plate, strap, stitching close-ups not shown",
        "seller-stated dimensions and exterior full views not provided"
    ],
    "authenticity_concerns": [
        "photo 2: the visible Miu Miu plaque is direct evidence that this is not a Coach-branded bag; Coach authenticity cannot be assessed from the available photos.",
        "photo 1: no Coach identifier is visible."
    ],
    "possible_model_reasoning": [
        "photo 2: Miu Miu branding and the decorative plaque indicate a non-Coach designer handbag; no Coach model match is appropriate.",
        "Condition: approximately Good to Very Good from the limited views; visible creasing and light wear are present, while corners, base, strap, and complete interior condition are not shown.",
        "No Coach creed, wordmark, turnlock, hangtag, or brass hardware visible to support any Coach catalog style",
        "Fabric lining + gunmetal magnetic snap + exterior metal brand plate point to modern non-Coach maker, not 1975-1993 unlined brass Coach",
        "Condition: Good to Very Good based on limited views; photo 2 shows creasing\/slouch at gusset but no corner wear visible, interior not fully assessable, bottom\/exterior not shown so grade 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": "photo 2: silver-tone decorative plaque clearly marked Miu Miu, with a separate circular closure mechanism; no Coach-branded hardware visible.",
        "leather_description": "photo 2: smooth red leather exterior with visible creasing and light surface wear.",
        "lining_description": "photo 1: dark black lining with multiple zippered and slip compartments visible.",
        "strap_construction": "not_visible",
        "stitching_description": "photos 1-2: visible tonal stitching appears generally even along the leather edges, though coverage is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly structured leather handbag with interior compartments, zip pockets, and a shoulder-strap attachment.",
                    "photo 2: red leather exterior and decorative metal closure are visible."
                ],
                "negative_evidence": [
                    "photo 2: visible metal plaque reads Miu Miu, not COACH.",
                    "photo 1: interior hardware\/label area does not show a Coach creed, Coach wordmark, or horse-and-carriage.",
                    "photo 1: black interior lining and contemporary-looking construction do not specifically suggest a classic vintage Coach bag."
                ],
                "missing_information": [
                    "photo 1: no full front, back, bottom, or strap view.",
                    "photo 1: no readable interior brand label or serial\/style tag beyond the visible Miu Miu branding.",
                    "photo 2: closure and hardware are shown, but the full bag silhouette and dimensions are absent."
                ],
                "authenticity_concerns": [
                    "photo 2: the visible Miu Miu plaque is direct evidence that this is not a Coach-branded bag; Coach authenticity cannot be assessed from the available photos.",
                    "photo 1: no Coach 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 decorative plaque clearly marked Miu Miu, with a separate circular closure mechanism; no Coach-branded hardware visible.",
                    "leather_description": "photo 2: smooth red leather exterior with visible creasing and light surface wear.",
                    "lining_description": "photo 1: dark black lining with multiple zippered and slip compartments visible.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photos 1-2: visible tonal stitching appears generally even along the leather edges, though coverage is limited."
                },
                "possible_model_reasoning": [
                    "photo 2: Miu Miu branding and the decorative plaque indicate a non-Coach designer handbag; no Coach model match is appropriate.",
                    "Condition: approximately Good to Very Good from the limited views; visible creasing and light wear are present, while corners, base, strap, and complete interior condition are not shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 25,
                "estimated_resale_low": 40,
                "estimated_resale_high": 120
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1: interior only, no full front\/back\/bottom exterior views to assess silhouette and condition",
                    "photo 1: creed patch area not shown - need straight-on interior back wall and slip pocket in raking light",
                    "photo 2: brand plate illegible - need straight-on readable photo of exterior metal plate and zipper-pull engraving",
                    "hangtag, turnlock\/back plate, strap, stitching close-ups not shown",
                    "seller-stated dimensions and exterior full views not provided"
                ],
                "negative_evidence": [
                    "photo 1: black fabric lining with interior zip pocket - not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 1: rectangular magnetic snap closure on red tab - not Coach turnlock geometry",
                    "photo 1 and photo 2: dark gunmetal\/nickel-tone hardware - not solid brass of 1970s-early 1990s Coach",
                    "photo 2: non-Coach rectangular metal brand plate on red leather exterior - no COACH wordmark or horse-and-carriage visible",
                    "no creed patch, no leather COACH hangtag, no brass dogleash clips visible in either photo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal\/nickel-tone hardware: rectangular magnetic snap (photo 1) and rectangular zipper pull \/ exterior brand plate (photo 1, photo 2); not solid brass, not turnlock",
                    "leather_description": "red smooth leather with soft slouch, visible grain\/creasing at side gusset in photo 2",
                    "lining_description": "black fabric lining in photo 1, zip pocket set in lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark stitching along red trim visible in photo 1 and photo 2, even but not clearly assessable; no detailed stitch close-up",
                    "strap_construction": "not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1 and photo 2: leather handbag construction in red - general population where misidentified Coach could hide, but no specific Coach identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach creed, wordmark, turnlock, hangtag, or brass hardware visible to support any Coach catalog style",
                    "Fabric lining + gunmetal magnetic snap + exterior metal brand plate point to modern non-Coach maker, not 1975-1993 unlined brass Coach",
                    "Condition: Good to Very Good based on limited views; photo 2 shows creasing\/slouch at gusset but no corner wear visible, interior not fully assessable, bottom\/exterior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15959,
            "output_tokens": 781,
            "total_tokens": 16740,
            "estimated_cost_usd": 0.008258
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16259,
            "output_tokens": 1340,
            "total_tokens": 17599,
            "estimated_cost_usd": 0.004324
        }
    ]
}