Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.605,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.885,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: the item is a leather shoulder\/crossbody handbag with an adjustable strap and multiple compartments.",
        "photo 3: the bag has visible metal fittings and a zipper, but these are generic construction details rather than Coach identifiers.",
        "photo 2-4: leather flap shoulder\/crossbody satchel silhouette in brown - generic shape only, no Coach-specific identifier"
    ],
    "negative_evidence": [
        "photo 1: the promotional image labels the bag NEW, which conflicts with a vintage Coach classification.",
        "photo 3: the front uses a snap-button closure and a decorative diagonal strap\/buckle design, not a recognizable vintage Coach turnlock.",
        "photo 3: the hardware appears modern plated metal and the bag has a contemporary lined construction.",
        "photo 4: the back, inner view, base, and side views show no visible Coach wordmark, carriage, creed patch, or hangtag.",
        "photo 5: the exterior is shown without any Coach branding or vintage Coach-specific identifier.",
        "listing text: the seller states polycotton lining, YKK zippers, and brand-new condition; these are modern generic features and do not support Coach manufacture.",
        "photo 3: snap button fitting, not a Coach turnlock - turnlock absent",
        "photo 4: lined interior with green\/polycotton glimpse, not unlined suede-back glove-tanned",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1-4: stock\/catalog renders with NEW banner and lifestyle model, not photos of used vintage bag",
        "seller text states Brand new, polycotton lining, YKK zippers and button closure - modern fast-fashion construction"
    ],
    "missing_information": [
        "photo 4: the interior is shown only in a small promotional inset; a direct, empty interior photograph would better confirm labels and lining.",
        "photo 3: close-ups of all zipper pulls, snaps, strap clips, and hardware stamps are not provided.",
        "photo 5: no direct close-up of the underside, seams, or material grain is provided.",
        "actual photos of the physical bag for sale (all images are stock\/catalog renders with NEW banner)",
        "creed patch straight-on in raking light not shown",
        "interior emptied showing lining and pockets not shown",
        "turnlock\/hardware close-ups and hangtag faces not shown",
        "strap ends, buckle holes and bottom corners not shown"
    ],
    "authenticity_concerns": [
        "photo 3: the generic decorative strap-and-snap design, modern lining, and new retail presentation are inconsistent with the classic vintage Coach construction being sought.",
        "photo 4: no creed, serial\/style number, Coach wordmark, or horse-and-carriage identifier is visible; this is best treated as an unbranded contemporary leather bag rather than a Coach bag."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag lacks the classic Coach identifiers and does not visibly match a documented Coach silhouette closely enough to overcome the generic construction.",
        "Condition: listing states brand new, and photos show a new promotional product; actual condition and long-term durability are not independently verifiable.",
        "Era reasoning: modern product photography, polycotton lining, YKK zipper, snap closure, and contemporary plated fittings support a modern non-Coach classification.",
        "No Coach model fits: no turnlock, no unlined glove-tanned interior, no creed, snap closure and polycotton lining are inconsistent with 1970s-1990s classics like City Bag (9790), Court (9870), Station (5130)",
        "Dimensions 10.5x9x3 in are generic crossbody size, not diagnostic",
        "Condition: New per seller and NEW banners; stock images prevent grading beyond New-appearing in renders"
    ],
    "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 3: visible metal strap fittings, buckle, snap button, and zipper hardware; no Coach engraving is visible.",
        "leather_description": "photo 1: brown distressed-looking leather exterior is depicted; exact leather type and quality cannot be verified from the promotional images.",
        "lining_description": "photo 4: a dark lining is visible in the small inner-view inset; seller states polycotton lining.",
        "strap_construction": "photo 3: adjustable shoulder strap attached with metal clips and a buckle; details are shown only in promotional close-ups.",
        "stitching_description": "photo 3: perimeter stitching is visible but not detailed enough to assess consistency or construction quality."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0095,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: the item is a leather shoulder\/crossbody handbag with an adjustable strap and multiple compartments.",
                    "photo 3: the bag has visible metal fittings and a zipper, but these are generic construction details rather than Coach identifiers."
                ],
                "negative_evidence": [
                    "photo 1: the promotional image labels the bag NEW, which conflicts with a vintage Coach classification.",
                    "photo 3: the front uses a snap-button closure and a decorative diagonal strap\/buckle design, not a recognizable vintage Coach turnlock.",
                    "photo 3: the hardware appears modern plated metal and the bag has a contemporary lined construction.",
                    "photo 4: the back, inner view, base, and side views show no visible Coach wordmark, carriage, creed patch, or hangtag.",
                    "photo 5: the exterior is shown without any Coach branding or vintage Coach-specific identifier.",
                    "listing text: the seller states polycotton lining, YKK zippers, and brand-new condition; these are modern generic features and do not support Coach manufacture."
                ],
                "missing_information": [
                    "photo 4: the interior is shown only in a small promotional inset; a direct, empty interior photograph would better confirm labels and lining.",
                    "photo 3: close-ups of all zipper pulls, snaps, strap clips, and hardware stamps are not provided.",
                    "photo 5: no direct close-up of the underside, seams, or material grain is provided."
                ],
                "authenticity_concerns": [
                    "photo 3: the generic decorative strap-and-snap design, modern lining, and new retail presentation are inconsistent with the classic vintage Coach construction being sought.",
                    "photo 4: no creed, serial\/style number, Coach wordmark, or horse-and-carriage identifier is visible; this is best treated as an unbranded contemporary leather bag rather than a Coach bag."
                ],
                "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 3: visible metal strap fittings, buckle, snap button, and zipper hardware; no Coach engraving is visible.",
                    "leather_description": "photo 1: brown distressed-looking leather exterior is depicted; exact leather type and quality cannot be verified from the promotional images.",
                    "lining_description": "photo 4: a dark lining is visible in the small inner-view inset; seller states polycotton lining.",
                    "strap_construction": "photo 3: adjustable shoulder strap attached with metal clips and a buckle; details are shown only in promotional close-ups.",
                    "stitching_description": "photo 3: perimeter stitching is visible but not detailed enough to assess consistency or construction quality."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag lacks the classic Coach identifiers and does not visibly match a documented Coach silhouette closely enough to overcome the generic construction.",
                    "Condition: listing states brand new, and photos show a new promotional product; actual condition and long-term durability are not independently verifiable.",
                    "Era reasoning: modern product photography, polycotton lining, YKK zipper, snap closure, and contemporary plated fittings support a modern non-Coach classification."
                ],
                "confidence": 0.92,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "actual photos of the physical bag for sale (all images are stock\/catalog renders with NEW banner)",
                    "creed patch straight-on in raking light not shown",
                    "interior emptied showing lining and pockets not shown",
                    "turnlock\/hardware close-ups and hangtag faces not shown",
                    "strap ends, buckle holes and bottom corners not shown"
                ],
                "negative_evidence": [
                    "photo 3: snap button fitting, not a Coach turnlock - turnlock absent",
                    "photo 4: lined interior with green\/polycotton glimpse, not unlined suede-back glove-tanned",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1-4: stock\/catalog renders with NEW banner and lifestyle model, not photos of used vintage bag",
                    "seller text states Brand new, polycotton lining, YKK zippers and button closure - modern fast-fashion construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone buckle on strap and lobster\/dogleash-type strap clips and snap button under flap (photo 3); no turnlock, no engraved branding visible",
                    "leather_description": "brown wash distressed-look flap satchel, seller states genuine leather outer; texture appears thin\/washed, not thick glove-tanned with patina",
                    "lining_description": "not_visible in detail; seller states polycotton lining; photo 4 inner view shows dark lined interior with green tint",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin adjustable crossbody strap with buckle slider and clip ends, 20-26 inch per graphic (photo 2, photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2-4: leather flap shoulder\/crossbody satchel silhouette in brown - generic shape only, no Coach-specific identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no turnlock, no unlined glove-tanned interior, no creed, snap closure and polycotton lining are inconsistent with 1970s-1990s classics like City Bag (9790), Court (9870), Station (5130)",
                    "Dimensions 10.5x9x3 in are generic crossbody size, not diagnostic",
                    "Condition: New per seller and NEW banners; stock images prevent grading beyond New-appearing in renders"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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            "estimated_cost_usd": 0.009174
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17723,
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}