Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.88,
    "recommended_max_bid": 9,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from blue denim\/textile rather than Coach's typical glove-tanned leather or recognizable Coach signature canvas.",
        "photo 1: oversized rectangular buckle and denim belt-style flap are not characteristic of the listed classic Coach silhouettes.",
        "photo 3: visible zipper and hardware have no legible COACH marking.",
        "photo 5: strap and attachment hardware appear generic and silver-tone, with no Coach-specific hangtag or dogleash construction.",
        "photo 6: back view shows no exterior branding, wordmark, carriage, or other Coach identifier.",
        "listing title: seller describes it as unbranded; this is weak context only and is consistent with the absence of brand identifiers.",
        "photo 1: body is blue denim fabric, not glove-tanned cowhide",
        "photo 1, photo 3: silver-tone buckle and zipper hardware, not solid brass turnlock",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2, photo 6: plain denim back with no Coach silhouette or construction cues",
        "photo 3, photo 4: small brown trim looks like bonded\/faux leather, not vintage glove-tanned leather"
    ],
    "missing_information": [
        "photo 1-6: interior is not shown; request a fully opened interior, lining, pockets, and any sewn-in labels.",
        "photo 1-6: no creed patch, fabric tag, serial\/style tag, or country-of-origin label is visible; request close-ups of all interior seams and pockets.",
        "photo 1-6: zipper-pull markings and underside of the buckle are not shown clearly.",
        "photo 1-6: seller-stated dimensions and material composition are not provided.",
        "photo 1-6: interior not shown, lining and any interior brand patch unknown",
        "photo 1-6: no creed patch shown; request straight-on creed photo",
        "photo 1-6: no COACH wordmark, hangtag, or hardware engraving visible; request close-ups if claimed"
    ],
    "authenticity_concerns": [
        "photo 1: denim construction and generic buckle-flap design are inconsistent with the classic vintage Coach population.",
        "photo 1: no Coach identifier is visible despite clear, reasonably detailed exterior photos; this strongly favors an unbranded denim bag rather than an unidentified Coach bag."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic denim messenger\/crossbody with front zipper pocket, flap, belt-style buckle, and rounded lower corners; it does not closely match a documented Coach model.",
        "photo 1-6: no Coach creed, serial, hangtag, wordmark, carriage, or characteristic leather construction is visible, so no Coach model can be responsibly proposed.",
        "photo 1-6: condition appears Good to Very Good cosmetically, with visible fabric fading\/variation and minor loose fibers; interior and odor are unknown, and the missing interior prevents a higher condition assessment.",
        "No Coach hard identifier visible in any photo, body is denim not leather so fails Step 1 triage for vintage Coach",
        "Silhouette is Y2K denim buckle-flap hobo\/messenger with front zip pocket, not matching any classic Coach catalog style",
        "Condition: Very Good to Excellent exterior; denim clean with no tears shown (photo 1, photo 2, photo 6), hardware intact, interior and bottom not 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": "photo 1: large silver-tone rectangular belt buckle, small silver-tone zipper hardware, rings, and strap adjuster; no Coach engraving is visible.",
        "leather_description": "photo 1: blue denim\/textile exterior with a small brown leather-like zipper pull; no substantial leather body or trim is visible.",
        "lining_description": "not_visible",
        "strap_construction": "photos 2, 5, and 6: long adjustable denim strap with stitched edges, silver-tone rings, and buckle\/loop adjustment; attachment construction appears generic.",
        "stitching_description": "photos 1 and 3: prominent contrasting double-row stitching is generally visible around the flap, pockets, zipper, and belt detail; some close-up edges show loose or fuzzy textile fibers."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from blue denim\/textile rather than Coach's typical glove-tanned leather or recognizable Coach signature canvas.",
                    "photo 1: oversized rectangular buckle and denim belt-style flap are not characteristic of the listed classic Coach silhouettes.",
                    "photo 3: visible zipper and hardware have no legible COACH marking.",
                    "photo 5: strap and attachment hardware appear generic and silver-tone, with no Coach-specific hangtag or dogleash construction.",
                    "photo 6: back view shows no exterior branding, wordmark, carriage, or other Coach identifier.",
                    "listing title: seller describes it as unbranded; this is weak context only and is consistent with the absence of brand identifiers."
                ],
                "missing_information": [
                    "photo 1-6: interior is not shown; request a fully opened interior, lining, pockets, and any sewn-in labels.",
                    "photo 1-6: no creed patch, fabric tag, serial\/style tag, or country-of-origin label is visible; request close-ups of all interior seams and pockets.",
                    "photo 1-6: zipper-pull markings and underside of the buckle are not shown clearly.",
                    "photo 1-6: seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: denim construction and generic buckle-flap design are inconsistent with the classic vintage Coach population.",
                    "photo 1: no Coach identifier is visible despite clear, reasonably detailed exterior photos; this strongly favors an unbranded denim bag rather than an unidentified 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 1: large silver-tone rectangular belt buckle, small silver-tone zipper hardware, rings, and strap adjuster; no Coach engraving is visible.",
                    "leather_description": "photo 1: blue denim\/textile exterior with a small brown leather-like zipper pull; no substantial leather body or trim is visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 2, 5, and 6: long adjustable denim strap with stitched edges, silver-tone rings, and buckle\/loop adjustment; attachment construction appears generic.",
                    "stitching_description": "photos 1 and 3: prominent contrasting double-row stitching is generally visible around the flap, pockets, zipper, and belt detail; some close-up edges show loose or fuzzy textile fibers."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic denim messenger\/crossbody with front zipper pocket, flap, belt-style buckle, and rounded lower corners; it does not closely match a documented Coach model.",
                    "photo 1-6: no Coach creed, serial, hangtag, wordmark, carriage, or characteristic leather construction is visible, so no Coach model can be responsibly proposed.",
                    "photo 1-6: condition appears Good to Very Good cosmetically, with visible fabric fading\/variation and minor loose fibers; interior and odor are unknown, and the missing interior prevents a higher condition assessment."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior not shown, lining and any interior brand patch unknown",
                    "photo 1-6: no creed patch shown; request straight-on creed photo",
                    "photo 1-6: no COACH wordmark, hangtag, or hardware engraving visible; request close-ups if claimed"
                ],
                "negative_evidence": [
                    "photo 1: body is blue denim fabric, not glove-tanned cowhide",
                    "photo 1, photo 3: silver-tone buckle and zipper hardware, not solid brass turnlock",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2, photo 6: plain denim back with no Coach silhouette or construction cues",
                    "photo 3, photo 4: small brown trim looks like bonded\/faux leather, not vintage glove-tanned leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle on front flap, silver-tone D-rings and strap slide, dark coil zipper with small brown tab; no turnlock; no engraving legible",
                    "leather_description": "no leather body; blue denim textile body with faded wash; small dark brown faux\/bonded leather-look trim at zipper ends and strap anchors",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast light tan topstitching throughout, even but casual denim-style stitching",
                    "strap_construction": "denim crossbody strap with slide adjustment, attached via metal D-rings to denim body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifier visible in any photo, body is denim not leather so fails Step 1 triage for vintage Coach",
                    "Silhouette is Y2K denim buckle-flap hobo\/messenger with front zip pocket, not matching any classic Coach catalog style",
                    "Condition: Very Good to Excellent exterior; denim clean with no tears shown (photo 1, photo 2, photo 6), hardware intact, interior and bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33102,
            "output_tokens": 822,
            "total_tokens": 33924,
            "estimated_cost_usd": 0.015214
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35573,
            "output_tokens": 1046,
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            "estimated_cost_usd": 0.007951
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}