Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.84,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has dense silver-tone stud decoration and a narrow hobo silhouette unlike the classic vintage Coach construction shown in the reference catalog",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or leather hangtag",
        "photo 2: hardware is bright silver-tone and heavily decorative rather than the solid brass hardware typical of many vintage Coach classics",
        "photo 3: the strap is densely studded and the bag appears fashion-oriented rather than a recognizable Coach model",
        "photo 4: visible base is smooth black material, with no Coach identifier or characteristic vintage construction visible",
        "photo 2: slouchy studded hobo silhouette with all-over large silver-tone round studs - no matching vintage Coach catalog style",
        "photo 1,2,3: silver-tone plated stud hardware, not solid brass turnlock \/ brass hardware of vintage Coach classics",
        "photo 4: smooth high-sheen black material with piped bottom, reads as coated \/ faux leather, not matte glove-tanned cowhide",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1-4: no turnlock, no brass buckles, dogleash clips, or Talon\/YKK zipper visible"
    ],
    "missing_information": [
        "photo 1-4: interior, closure, lining, and any interior label or creed patch are not shown",
        "photo 1-4: no close-up of seams, material edge construction, or hardware attachment points",
        "photo 1-4: seller-stated dimensions and weight are unavailable",
        "photo of emptied interior and lining - interior not shown at all",
        "creed patch \/ interior brand stamp close-up not shown",
        "hardware brand stamps \/ zipper pull not shown",
        "material \/ fabric content tag not shown"
    ],
    "authenticity_concerns": [
        "photo 1-4: no Coach identifiers are visible, so the item appears to be an unbranded or non-Coach studded fashion bag rather than a misidentified vintage Coach",
        "photo 1-4: bright silver-tone decorative studs and the heavily embellished design are inconsistent with the likely vintage Coach classic population"
    ],
    "possible_model_reasoning": [
        "photo 1-2: the shape is a small embellished hobo or shoulder bag, but it does not match a recognizable Coach catalog model",
        "photo 1-4: no creed, serial, logo, or other Coach-specific identifier is visible; estimated as modern non-Coach based on decorative design and silver-tone hardware",
        "photo 1-4: condition appears Like New based on the seller's claim and the clean visible exterior, but interior condition and function are unverified",
        "No Coach identifier visible in any photo - no creed, wordmark, hangtag, or brass turnlock to decode for era or style",
        "Silhouette is a modern studded slouch hobo with wide strap; does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Ergo or other classic shapes",
        "Construction cues point away from vintage Coach: shiny coated material, silver-tone stud embellishment, no unlined suede interior shown",
        "Condition: Like New \/ Mint per photos - no corner wear, no stud loss, sheen uniform (photo 4 bottom clean); interior and odor unknown because interior not shown"
    ],
    "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 1-3: numerous bright silver-tone round studs of varying sizes cover the black bag and strap; no turnlock or Coach engraving is visible",
        "leather_description": "photo 1-4: smooth black material is visible, but leather versus synthetic material cannot be determined from these photos",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-3: wide, integrated, heavily studded shoulder strap\/handles with a curved hobo-style opening",
        "stitching_description": "photo 1-4: perimeter seams and folded edges are visible; stitching detail is not clear enough for construction assessment"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has dense silver-tone stud decoration and a narrow hobo silhouette unlike the classic vintage Coach construction shown in the reference catalog",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or leather hangtag",
                    "photo 2: hardware is bright silver-tone and heavily decorative rather than the solid brass hardware typical of many vintage Coach classics",
                    "photo 3: the strap is densely studded and the bag appears fashion-oriented rather than a recognizable Coach model",
                    "photo 4: visible base is smooth black material, with no Coach identifier or characteristic vintage construction visible"
                ],
                "missing_information": [
                    "photo 1-4: interior, closure, lining, and any interior label or creed patch are not shown",
                    "photo 1-4: no close-up of seams, material edge construction, or hardware attachment points",
                    "photo 1-4: seller-stated dimensions and weight are unavailable"
                ],
                "authenticity_concerns": [
                    "photo 1-4: no Coach identifiers are visible, so the item appears to be an unbranded or non-Coach studded fashion bag rather than a misidentified vintage Coach",
                    "photo 1-4: bright silver-tone decorative studs and the heavily embellished design are inconsistent with the likely vintage Coach classic population"
                ],
                "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 1-3: numerous bright silver-tone round studs of varying sizes cover the black bag and strap; no turnlock or Coach engraving is visible",
                    "leather_description": "photo 1-4: smooth black material is visible, but leather versus synthetic material cannot be determined from these photos",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-3: wide, integrated, heavily studded shoulder strap\/handles with a curved hobo-style opening",
                    "stitching_description": "photo 1-4: perimeter seams and folded edges are visible; stitching detail is not clear enough for construction assessment"
                },
                "possible_model_reasoning": [
                    "photo 1-2: the shape is a small embellished hobo or shoulder bag, but it does not match a recognizable Coach catalog model",
                    "photo 1-4: no creed, serial, logo, or other Coach-specific identifier is visible; estimated as modern non-Coach based on decorative design and silver-tone hardware",
                    "photo 1-4: condition appears Like New based on the seller's claim and the clean visible exterior, but interior condition and function are unverified"
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining - interior not shown at all",
                    "creed patch \/ interior brand stamp close-up not shown",
                    "hardware brand stamps \/ zipper pull not shown",
                    "material \/ fabric content tag not shown"
                ],
                "negative_evidence": [
                    "photo 2: slouchy studded hobo silhouette with all-over large silver-tone round studs - no matching vintage Coach catalog style",
                    "photo 1,2,3: silver-tone plated stud hardware, not solid brass turnlock \/ brass hardware of vintage Coach classics",
                    "photo 4: smooth high-sheen black material with piped bottom, reads as coated \/ faux leather, not matte glove-tanned cowhide",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1-4: no turnlock, no brass buckles, dogleash clips, or Talon\/YKK zipper visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone round flat studs \/ rivets of varying sizes covering body and wide strap; bright plated appearance, not solid brass vintage hardware",
                    "leather_description": "black smooth material with high sheen on bottom (photo 4) and strap (photo 3); appears coated \/ synthetic, not matte glove-tanned full-grain cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - edge seams visible but stitching detail not legible in photos",
                    "strap_construction": "wide fixed shoulder strap continuous with body, studded on outer face (photo 1,2,3)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo - no creed, wordmark, hangtag, or brass turnlock to decode for era or style",
                    "Silhouette is a modern studded slouch hobo with wide strap; does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Ergo or other classic shapes",
                    "Construction cues point away from vintage Coach: shiny coated material, silver-tone stud embellishment, no unlined suede interior shown",
                    "Condition: Like New \/ Mint per photos - no corner wear, no stud loss, sheen uniform (photo 4 bottom clean); interior and odor unknown because interior not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 734,
            "total_tokens": 17809,
            "estimated_cost_usd": 0.008592
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17536,
            "output_tokens": 1172,
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}