Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.905,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: all-over repeating circular pattern is not recognizable Coach Signature C alignment or branding.",
        "photo 2: no legible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
        "photo 4: interior appears to use a dark synthetic lining and multiple compartment construction typical of a modern mass-market bag, not a vintage unlined glove-tanned Coach classic.",
        "listing description: seller explicitly states faux\/PU material and nylon lining, both inconsistent with the vintage Coach leather population.",
        "photo 3: detachable straps and gold-tone clips are visible, but there is no Coach identifier on them.",
        "photo 2: coated pattern-print body, not glove-tanned leather",
        "photo 4: grey nylon lining visible in interior compartments",
        "seller states soft faux leather (PU), nylon lining, brand new",
        "photo 2, photo 3: no turnlock, no creed patch, no COACH wordmark, no hangtag visible",
        "photo 3: modern detachable wide logo-letter strap and thin adjustable strap with gold-tone clips, not vintage Coach construction"
    ],
    "missing_information": [
        "photo 2: close-up of any interior label or branding is not provided.",
        "photo 4: interior label, fabric tag, and zipper-pull details are not readable.",
        "photo 2: close-ups of hardware, seams, and material surface would be needed for a more detailed generic-brand assessment.",
        "No creed patch shown - none expected on PU bag",
        "No hardware close-ups or brand stamps shown",
        "No bottom\/corner close-ups, but not needed given materials"
    ],
    "authenticity_concerns": [
        "The faux\/PU construction and generic patterned exterior are inconsistent with a vintage Coach leather handbag.",
        "The pattern appears to be a generic brand-evoking motif rather than Coach Signature canvas; no authenticating Coach identifiers are visible.",
        "photo 2: all-over C-like pattern print on new-in-box unbranded bag is replica-signal pattern, not Coach evidence",
        "photo 4: nylon lining and PU construction inconsistent with any vintage Coach classic"
    ],
    "possible_model_reasoning": [
        "The silhouette is a modern structured tote\/satchel with top handle, zipper opening, and detachable straps, but it does not closely identify a recognized vintage Coach model.",
        "The visible generic pattern, synthetic construction, and compartment layout support a modern non-Coach bag rather than a vintage City Bag, Willis, Court, or Station.",
        "Condition: listing states brand new; photo 2 shows an apparently unused exterior, though interior and material condition cannot be fully verified.",
        "No Coach silhouette match: bucket\/tote with 3 compartments, top handle plus 2 detachable straps does not correspond to catalog classic",
        "Materials rule out vintage Coach: PU faux leather plus nylon lining per seller and photos vs unlined glove-tanned plus solid brass",
        "No hard identifier visible in any of 5 photos: no creed, no wordmark, no hangtag",
        "Condition: New per seller and appearance photo 2 - consistent with mass-produced fast-fashion, not vintage"
    ],
    "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: gold-tone rings, clips, zipper hardware, and strap attachments are visible; no Coach engraving is legible.",
        "leather_description": "photo 2: brown patterned synthetic-looking material; listing states faux\/PU rather than leather.",
        "lining_description": "photo 4: dark fabric-like lining and multiple compartments are visible; listing states nylon lining.",
        "strap_construction": "photo 2 and photo 3: one top handle plus detachable shoulder\/crossbody straps with clip attachments; photo 3 shows an adjustable strap.",
        "stitching_description": "photo 2: perimeter stitching is visible but not detailed enough to assess quality or authenticity."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: all-over repeating circular pattern is not recognizable Coach Signature C alignment or branding.",
                    "photo 2: no legible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
                    "photo 4: interior appears to use a dark synthetic lining and multiple compartment construction typical of a modern mass-market bag, not a vintage unlined glove-tanned Coach classic.",
                    "listing description: seller explicitly states faux\/PU material and nylon lining, both inconsistent with the vintage Coach leather population.",
                    "photo 3: detachable straps and gold-tone clips are visible, but there is no Coach identifier on them."
                ],
                "missing_information": [
                    "photo 2: close-up of any interior label or branding is not provided.",
                    "photo 4: interior label, fabric tag, and zipper-pull details are not readable.",
                    "photo 2: close-ups of hardware, seams, and material surface would be needed for a more detailed generic-brand assessment."
                ],
                "authenticity_concerns": [
                    "The faux\/PU construction and generic patterned exterior are inconsistent with a vintage Coach leather handbag.",
                    "The pattern appears to be a generic brand-evoking motif rather than Coach Signature canvas; no authenticating Coach identifiers are 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: gold-tone rings, clips, zipper hardware, and strap attachments are visible; no Coach engraving is legible.",
                    "leather_description": "photo 2: brown patterned synthetic-looking material; listing states faux\/PU rather than leather.",
                    "lining_description": "photo 4: dark fabric-like lining and multiple compartments are visible; listing states nylon lining.",
                    "strap_construction": "photo 2 and photo 3: one top handle plus detachable shoulder\/crossbody straps with clip attachments; photo 3 shows an adjustable strap.",
                    "stitching_description": "photo 2: perimeter stitching is visible but not detailed enough to assess quality or authenticity."
                },
                "possible_model_reasoning": [
                    "The silhouette is a modern structured tote\/satchel with top handle, zipper opening, and detachable straps, but it does not closely identify a recognized vintage Coach model.",
                    "The visible generic pattern, synthetic construction, and compartment layout support a modern non-Coach bag rather than a vintage City Bag, Willis, Court, or Station.",
                    "Condition: listing states brand new; photo 2 shows an apparently unused exterior, though interior and material condition cannot be fully verified."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2: all-over C-like pattern print on new-in-box unbranded bag is replica-signal pattern, not Coach evidence",
                    "photo 4: nylon lining and PU construction inconsistent with any vintage Coach classic"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown - none expected on PU bag",
                    "No hardware close-ups or brand stamps shown",
                    "No bottom\/corner close-ups, but not needed given materials"
                ],
                "negative_evidence": [
                    "photo 2: coated pattern-print body, not glove-tanned leather",
                    "photo 4: grey nylon lining visible in interior compartments",
                    "seller states soft faux leather (PU), nylon lining, brand new",
                    "photo 2, photo 3: no turnlock, no creed patch, no COACH wordmark, no hangtag visible",
                    "photo 3: modern detachable wide logo-letter strap and thin adjustable strap with gold-tone clips, not vintage Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone rings and dogleash clips visible photo 2, photo 3; no engraving legible, bright plated appearance",
                    "leather_description": "pattern-printed coated PU faux leather, brown with darker repeat motif; tan smooth-look trim; not glove-tanned cowhide",
                    "lining_description": "grey nylon fabric lining visible photo 4 in main and zip compartments",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edges appear finished\/painted, no tight even leather stitching visible",
                    "strap_construction": "short top handle plus 2 detachable shoulder straps per photo 3 - wide patterned strap and thin tan adjustable strap with gold-tone clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: bucket\/tote with 3 compartments, top handle plus 2 detachable straps does not correspond to catalog classic",
                    "Materials rule out vintage Coach: PU faux leather plus nylon lining per seller and photos vs unlined glove-tanned plus solid brass",
                    "No hard identifier visible in any of 5 photos: no creed, no wordmark, no hangtag",
                    "Condition: New per seller and appearance photo 2 - consistent with mass-produced fast-fashion, not vintage"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17808,
            "output_tokens": 763,
            "total_tokens": 18571,
            "estimated_cost_usd": 0.008954
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18319,
            "output_tokens": 1203,
            "total_tokens": 19522,
            "estimated_cost_usd": 0.004626
        }
    ]
}