Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.83,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Structured shoulder tote has no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
        "photo 1: Hardware consists of decorative rectangular buckles and rivets rather than a recognizable vintage Coach turnlock.",
        "photos 1-2: Very glossy, smooth pale-blue material and contrasting brown-edged construction do not resemble the typical unlined glove-tanned leather of classic vintage Coach.",
        "photos 1-2: The strap attachments, decorative buckles, and large structured tote silhouette are generic and consistent with a modern non-Coach fashion bag.",
        "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1, photo 2: no turnlock; only decorative gold-tone buckle straps unlike Coach turnlock geometry",
        "photo 1, photo 2: smooth high-shine coated material with tan underside on straps, not matte glove-tanned cowhide with suede back",
        "photo 1, photo 2: bright thin plated buckles and rivets, not heavy solid brass vintage hardware",
        "photo 1, photo 2: light contrast stitching and panelled tote silhouette with center flap tab does not match Coach catalog styles",
        "photo 2: surface scuffs and coating wear on side panel"
    ],
    "missing_information": [
        "photo 1-2: Interior, lining, pockets, and any sewn-in brand or fabric label are not shown.",
        "A close-up of the interior back wall and pockets is needed to check for a creed patch or serial\/style tag.",
        "Close-ups of all hardware, zipper pulls, bottom, side seams, and strap ends are needed.",
        "Material cannot be confirmed as genuine leather from the provided photos; request a material tag or clear edge\/detail photos.",
        "interior views emptied including back wall and pockets where creed would sit",
        "creed patch straight-on close-up in raking light",
        "hardware close-ups and any brand stamps or Made-in line",
        "bottom and corner close-ups and strap fold-point detail"
    ],
    "authenticity_concerns": [
        "No Coach-specific identifier is visible, so the bag is best treated as a generic lookalike rather than a Coach item.",
        "The glossy material and decorative buckle design are inconsistent with the usual construction cues of vintage Coach classics.",
        "photo 1, photo 2: no Coach creed, wordmark, hangtag, or solid-brass Coach hardware visible to authenticate",
        "photo 1, photo 2: shiny coated surface, thin bright plated buckles and contrast stitching inconsistent with vintage Coach glove-tanned construction"
    ],
    "possible_model_reasoning": [
        "The bag is a generic structured buckle tote; no plausible Coach catalog model can be assigned from the exterior photos.",
        "Condition: Good; visible scuffs, scratches, creasing, and abrasion along the bottom and lower edges in photos 1-2. Interior and odor\/mold status are unknown.",
        "No Coach identifiers or catalog silhouette match; buckle-tab tote with center flap tab is generic fast-fashion construction, not City Bag, Court, Station, Willis or other classic",
        "Era by construction is modern non-Coach due to coated shiny material and plated hardware",
        "Condition: Good; visible scuffs and coating wear (photo 2), soft slouching, but no interior or strap-fold detail shown so 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": "photos 1-2: Gold-tone rectangular buckles, small round rivet-like studs, and decorative strap hardware; no turning-tab lock or visible brand engraving.",
        "leather_description": "photos 1-2: Smooth, glossy pale-blue material with apparent surface scuffs and creasing; genuine leather versus coated or synthetic material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-2: Two long shoulder straps with contrasting brown reverse\/trim and adjustable punched holes; attached through decorative buckle assemblies.",
        "stitching_description": "photos 1-2: Visible contrasting light stitching appears generally even, with some wear and loose-looking edge areas near the bottom; interior stitching not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Structured shoulder tote has no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
                    "photo 1: Hardware consists of decorative rectangular buckles and rivets rather than a recognizable vintage Coach turnlock.",
                    "photos 1-2: Very glossy, smooth pale-blue material and contrasting brown-edged construction do not resemble the typical unlined glove-tanned leather of classic vintage Coach.",
                    "photos 1-2: The strap attachments, decorative buckles, and large structured tote silhouette are generic and consistent with a modern non-Coach fashion bag."
                ],
                "missing_information": [
                    "photo 1-2: Interior, lining, pockets, and any sewn-in brand or fabric label are not shown.",
                    "A close-up of the interior back wall and pockets is needed to check for a creed patch or serial\/style tag.",
                    "Close-ups of all hardware, zipper pulls, bottom, side seams, and strap ends are needed.",
                    "Material cannot be confirmed as genuine leather from the provided photos; request a material tag or clear edge\/detail photos."
                ],
                "authenticity_concerns": [
                    "No Coach-specific identifier is visible, so the bag is best treated as a generic lookalike rather than a Coach item.",
                    "The glossy material and decorative buckle design are inconsistent with the usual construction cues of 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": "photos 1-2: Gold-tone rectangular buckles, small round rivet-like studs, and decorative strap hardware; no turning-tab lock or visible brand engraving.",
                    "leather_description": "photos 1-2: Smooth, glossy pale-blue material with apparent surface scuffs and creasing; genuine leather versus coated or synthetic material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-2: Two long shoulder straps with contrasting brown reverse\/trim and adjustable punched holes; attached through decorative buckle assemblies.",
                    "stitching_description": "photos 1-2: Visible contrasting light stitching appears generally even, with some wear and loose-looking edge areas near the bottom; interior stitching not visible."
                },
                "possible_model_reasoning": [
                    "The bag is a generic structured buckle tote; no plausible Coach catalog model can be assigned from the exterior photos.",
                    "Condition: Good; visible scuffs, scratches, creasing, and abrasion along the bottom and lower edges in photos 1-2. Interior and odor\/mold status are unknown."
                ],
                "confidence": 0.84,
                "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, photo 2: no Coach creed, wordmark, hangtag, or solid-brass Coach hardware visible to authenticate",
                    "photo 1, photo 2: shiny coated surface, thin bright plated buckles and contrast stitching inconsistent with vintage Coach glove-tanned construction"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied including back wall and pockets where creed would sit",
                    "creed patch straight-on close-up in raking light",
                    "hardware close-ups and any brand stamps or Made-in line",
                    "bottom and corner close-ups and strap fold-point detail"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1, photo 2: no turnlock; only decorative gold-tone buckle straps unlike Coach turnlock geometry",
                    "photo 1, photo 2: smooth high-shine coated material with tan underside on straps, not matte glove-tanned cowhide with suede back",
                    "photo 1, photo 2: bright thin plated buckles and rivets, not heavy solid brass vintage hardware",
                    "photo 1, photo 2: light contrast stitching and panelled tote silhouette with center flap tab does not match Coach catalog styles",
                    "photo 2: surface scuffs and coating wear on side panel"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone square buckles and small rivets on front strap tabs; thin, bright plated appearance, not heavy solid brass; no turnlock",
                    "leather_description": "pale blue smooth material with high gloss sheen and creasing, tan-colored strap undersides visible; looks like coated faux \/ split leather, not glove-tanned full-grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast topstitching around panels and strap tabs, even but not tone-matched as on vintage Coach",
                    "strap_construction": "two flat shoulder straps sewn to buckle tabs, tan underside showing, no dogleash clips or dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers or catalog silhouette match; buckle-tab tote with center flap tab is generic fast-fashion construction, not City Bag, Court, Station, Willis or other classic",
                    "Era by construction is modern non-Coach due to coated shiny material and plated hardware",
                    "Condition: Good; visible scuffs and coating wear (photo 2), soft slouching, but no interior or strap-fold detail shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
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            "output_tokens": 725,
            "total_tokens": 20375,
            "estimated_cost_usd": 0.0096
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20275,
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}