Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.035,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.68,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: the item is a leather-looking handbag with a front handle detail and patchwork construction.",
        "photo 5: the bag has a structured rectangular silhouette and leather-like exterior."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
        "photos 2-4: the interior is fabric- or leather-like lined and shows no visible Coach creed or serial\/style number.",
        "photo 1: the multicolor vertical patchwork design and central decorative leather tab do not correspond to a recognizable classic Coach model.",
        "photos 1-5: visible silver-tone zipper hardware and generic construction are not strong evidence for vintage Coach.",
        "photo 1,5: multicolor vertical patchwork striped exterior not a Coach catalog silhouette or leather",
        "photo 2,3,4: no creed patch visible on interior back wall or slip pocket",
        "photo 1-5: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 2,3,4: silver-tone zipper, not solid brass vintage Coach hardware",
        "photo 1,5: no turnlock closure, zip-top with slide tab only"
    ],
    "missing_information": [
        "A straight-on photo of every interior wall and pocket, especially any hidden creed patch or fabric tag.",
        "Close-up photos of the zipper pull, hardware, handle attachments, and any labels.",
        "Bottom, side, corner, and full strap photos.",
        "Seller-stated dimensions and a photo showing the bag next to a ruler for scale.",
        "photo 1-5: no creed patch shown - need straight-on interior back wall \/ slip pocket in raking light",
        "photo 1-5: no COACH wordmark, hangtag, or hardware stamps visible - need close-ups",
        "photo 5: no bottom, side, back, scale or dimensions shown",
        "photo 2-4: zipper brand stamp not legible - need close-up"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifiers and appears to be a generic patchwork leather handbag rather than a Coach catalog style.",
        "The lined patchwork construction, decorative central leather tab, and silver zipper hardware are inconsistent with the usual construction cues of classic unlined glove-tanned Coach bags."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the visible patchwork silhouette and decorative tab do not match a recognizable Coach catalog style and no identifier is visible.",
        "Era cannot be established from the photos; the worn appearance may indicate age but is not a reliable dating feature.",
        "Condition appears Good based on extensive visible wrinkling and surface wear (photos 1 and 5); bottom, corners, strap condition, odor, and hidden interior areas are not fully documented.",
        "No Coach model fits: zip-top patchwork striped tote with silver zipper and thin crinkled leather matches no Classic glove-tanned style (City Bag, Station, Court, Willis, Duffle) in silhouette, closure, hardware or leather",
        "Era reasoning: construction and silver hardware inconsistent with 1975-1993 brass-and-glove-tanned Coach; patchwork fashion tote suggests 1970s-1980s style generic or later revival, rated non-Coach",
        "Condition: Good to Very Good; surface wrinkling appears to be material texture not damage, no tears or corner wear visible in photo 5, but bottom, corners and strap folds not shown so capped"
    ],
    "estimated_era": "unknown",
    "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 1-4: silver-tone zipper teeth and slider are visible; no Coach engraving is legible.",
        "leather_description": "photos 1 and 5: multicolor vertical leather-looking patchwork panels with substantial wrinkling and a glossy\/worn surface.",
        "lining_description": "photos 2-4: dark brown interior lining or leather-like interior is visible; no label or creed is shown.",
        "strap_construction": "photo 5: two narrow top handles are visible, but their attachment and full construction are not shown.",
        "stitching_description": "photos 1 and 5: visible perimeter and patchwork stitching appears generally even, though close-up stress points are not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: the item is a leather-looking handbag with a front handle detail and patchwork construction.",
                    "photo 5: the bag has a structured rectangular silhouette and leather-like exterior."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
                    "photos 2-4: the interior is fabric- or leather-like lined and shows no visible Coach creed or serial\/style number.",
                    "photo 1: the multicolor vertical patchwork design and central decorative leather tab do not correspond to a recognizable classic Coach model.",
                    "photos 1-5: visible silver-tone zipper hardware and generic construction are not strong evidence for vintage Coach."
                ],
                "missing_information": [
                    "A straight-on photo of every interior wall and pocket, especially any hidden creed patch or fabric tag.",
                    "Close-up photos of the zipper pull, hardware, handle attachments, and any labels.",
                    "Bottom, side, corner, and full strap photos.",
                    "Seller-stated dimensions and a photo showing the bag next to a ruler for scale."
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifiers and appears to be a generic patchwork leather handbag rather than a Coach catalog style.",
                    "The lined patchwork construction, decorative central leather tab, and silver zipper hardware are inconsistent with the usual construction cues of classic unlined glove-tanned Coach bags."
                ],
                "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 1-4: silver-tone zipper teeth and slider are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1 and 5: multicolor vertical leather-looking patchwork panels with substantial wrinkling and a glossy\/worn surface.",
                    "lining_description": "photos 2-4: dark brown interior lining or leather-like interior is visible; no label or creed is shown.",
                    "strap_construction": "photo 5: two narrow top handles are visible, but their attachment and full construction are not shown.",
                    "stitching_description": "photos 1 and 5: visible perimeter and patchwork stitching appears generally even, though close-up stress points are not available."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the visible patchwork silhouette and decorative tab do not match a recognizable Coach catalog style and no identifier is visible.",
                    "Era cannot be established from the photos; the worn appearance may indicate age but is not a reliable dating feature.",
                    "Condition appears Good based on extensive visible wrinkling and surface wear (photos 1 and 5); bottom, corners, strap condition, odor, and hidden interior areas are not fully documented."
                ],
                "confidence": 0.71,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-5: no creed patch shown - need straight-on interior back wall \/ slip pocket in raking light",
                    "photo 1-5: no COACH wordmark, hangtag, or hardware stamps visible - need close-ups",
                    "photo 5: no bottom, side, back, scale or dimensions shown",
                    "photo 2-4: zipper brand stamp not legible - need close-up"
                ],
                "negative_evidence": [
                    "photo 1,5: multicolor vertical patchwork striped exterior not a Coach catalog silhouette or leather",
                    "photo 2,3,4: no creed patch visible on interior back wall or slip pocket",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 2,3,4: silver-tone zipper, not solid brass vintage Coach hardware",
                    "photo 1,5: no turnlock closure, zip-top with slide tab only"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zip top zipper with rectangular pull; no brass turnlock, no stamped pulls visible",
                    "leather_description": "thin crinkled brown leather with vertical multicolor patchwork panels in tan, brown, orange, green; not smooth glove-tanned cowhide",
                    "lining_description": "brown leather-like interior with single slip pocket; no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight topstitching along top band, thread matched to brown; no detailed stress-point view",
                    "strap_construction": "two short top handles in brown crinkled leather, fixed stitched attachment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top patchwork striped tote with silver zipper and thin crinkled leather matches no Classic glove-tanned style (City Bag, Station, Court, Willis, Duffle) in silhouette, closure, hardware or leather",
                    "Era reasoning: construction and silver hardware inconsistent with 1975-1993 brass-and-glove-tanned Coach; patchwork fashion tote suggests 1970s-1980s style generic or later revival, rated non-Coach",
                    "Condition: Good to Very Good; surface wrinkling appears to be material texture not damage, no tears or corner wear visible in photo 5, but bottom, corners and strap folds not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17336,
            "output_tokens": 897,
            "total_tokens": 18233,
            "estimated_cost_usd": 0.009087
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17662,
            "output_tokens": 1389,
            "total_tokens": 19051,
            "estimated_cost_usd": 0.004644
        }
    ]
}