Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.905,
    "recommended_max_bid": 16,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly visible leather shoulder handbag with an adjustable strap and multiple compartments",
        "photo 2: leather tab is stamped \"PERU,\" providing non-Coach origin evidence",
        "photos 1-6: substantial leather construction and detailed hand tooling are visible"
    ],
    "negative_evidence": [
        "photos 1-6: no Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible",
        "photo 2: the central tab is explicitly stamped \"PERU,\" not Coach or a Coach manufacturing identifier",
        "photos 1-4: ornate Andean\/Peruvian tooling with llama and traditionally dressed figures is inconsistent with the Coach catalog",
        "photos 2 and 4: silver-tone zipper pulls and buckle are not characteristic evidence for a classic vintage Coach bag",
        "photo 5: the side construction and strap attachment do not match a recognizable Coach classic model",
        "photo 2: PERU tooled into leather - Peru was never a Coach manufacturing country for classics",
        "photo 1, photo 3: all-over hand-tooled pictorial scenes of figures, llamas, cactus inconsistent with Coach glove-tanned classics",
        "photo 5, photo 6: silver-tone buckle hardware, not solid brass vintage Coach hardware",
        "photo 2, photo 4: snap closure with strap tab, no turnlock with Coach geometry",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
    ],
    "missing_information": [
        "photo 5-6: interior opening, lining, and any interior labels are not shown",
        "photo 6: full underside and corner condition are not shown",
        "seller-stated dimensions are available, but no brand or maker documentation is provided",
        "photo of emptied interior and lining to confirm construction; interior not shown in any photo",
        "creed patch \/ interior stamp close-up not shown",
        "bottom and corner close-ups not shown",
        "hardware engravings \/ zipper brand stamp not shown legibly"
    ],
    "authenticity_concerns": [
        "photos 1-6: the bag appears to be a Peruvian leather artisan\/import bag rather than a Coach product; there is no visible Coach identifier",
        "photo 2: the visible \"PERU\" stamp conflicts with a Coach attribution"
    ],
    "possible_model_reasoning": [
        "The silhouette is a small curved shoulder bag with front zip compartments and a central leather closure tab, but it does not correspond to a recognizable Coach catalog model.",
        "The visible Peru stamp and Andean tooling support a Peruvian artisan\/import origin rather than Coach manufacture.",
        "Condition: Good to Very Good; the exterior remains intact, but the strap shows noticeable wear\/roughening in photos 5-6 and the interior and bottom are not fully assessed.",
        "Not a Coach silhouette, material, hardware or origin: tooled Peru souvenir bag has no catalog match in Coach 1970s-2000s lines",
        "Era reasoning: tourist hand-tooled Peru bags made over decades; without interior\/creed cannot date, assessed as non-Coach modern\/vintage souvenir",
        "Condition: Very Good; leather appears supple with uniform color, edges intact, hardware untarnished in photos (photo 1-4), 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": "photos 2, 4-6: silver-tone zipper pulls, a silver-tone buckle, and small round snap\/button hardware are visible; no Coach engraving is visible",
        "leather_description": "photos 1-6: medium brown leather with extensive embossed\/tooled Andean or Peruvian imagery; surface appears smooth and finished",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 5-6: adjustable leather shoulder strap with punched adjustment holes, a metal buckle, and leather attachment loops; visible edge wear and roughening occur on portions of the strap",
        "stitching_description": "photos 1-6: dark contrast stitching is visible around the perimeter and tooled panels; it appears generally even, though some edge areas show wear"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: clearly visible leather shoulder handbag with an adjustable strap and multiple compartments",
                    "photo 2: leather tab is stamped \"PERU,\" providing non-Coach origin evidence",
                    "photos 1-6: substantial leather construction and detailed hand tooling are visible"
                ],
                "negative_evidence": [
                    "photos 1-6: no Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible",
                    "photo 2: the central tab is explicitly stamped \"PERU,\" not Coach or a Coach manufacturing identifier",
                    "photos 1-4: ornate Andean\/Peruvian tooling with llama and traditionally dressed figures is inconsistent with the Coach catalog",
                    "photos 2 and 4: silver-tone zipper pulls and buckle are not characteristic evidence for a classic vintage Coach bag",
                    "photo 5: the side construction and strap attachment do not match a recognizable Coach classic model"
                ],
                "missing_information": [
                    "photo 5-6: interior opening, lining, and any interior labels are not shown",
                    "photo 6: full underside and corner condition are not shown",
                    "seller-stated dimensions are available, but no brand or maker documentation is provided"
                ],
                "authenticity_concerns": [
                    "photos 1-6: the bag appears to be a Peruvian leather artisan\/import bag rather than a Coach product; there is no visible Coach identifier",
                    "photo 2: the visible \"PERU\" stamp conflicts with a Coach attribution"
                ],
                "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 2, 4-6: silver-tone zipper pulls, a silver-tone buckle, and small round snap\/button hardware are visible; no Coach engraving is visible",
                    "leather_description": "photos 1-6: medium brown leather with extensive embossed\/tooled Andean or Peruvian imagery; surface appears smooth and finished",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 5-6: adjustable leather shoulder strap with punched adjustment holes, a metal buckle, and leather attachment loops; visible edge wear and roughening occur on portions of the strap",
                    "stitching_description": "photos 1-6: dark contrast stitching is visible around the perimeter and tooled panels; it appears generally even, though some edge areas show wear"
                },
                "possible_model_reasoning": [
                    "The silhouette is a small curved shoulder bag with front zip compartments and a central leather closure tab, but it does not correspond to a recognizable Coach catalog model.",
                    "The visible Peru stamp and Andean tooling support a Peruvian artisan\/import origin rather than Coach manufacture.",
                    "Condition: Good to Very Good; the exterior remains intact, but the strap shows noticeable wear\/roughening in photos 5-6 and the interior and bottom are not fully assessed."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 20,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining to confirm construction; interior not shown in any photo",
                    "creed patch \/ interior stamp close-up not shown",
                    "bottom and corner close-ups not shown",
                    "hardware engravings \/ zipper brand stamp not shown legibly"
                ],
                "negative_evidence": [
                    "photo 2: PERU tooled into leather - Peru was never a Coach manufacturing country for classics",
                    "photo 1, photo 3: all-over hand-tooled pictorial scenes of figures, llamas, cactus inconsistent with Coach glove-tanned classics",
                    "photo 5, photo 6: silver-tone buckle hardware, not solid brass vintage Coach hardware",
                    "photo 2, photo 4: snap closure with strap tab, no turnlock with Coach geometry",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle on strap, snap button on front tab, zip-top with two pulls; not solid brass turnlock hardware",
                    "leather_description": "tan \/ cognac leather with hand-tooled pictorial embossing of Andean figures, llamas, cactus and mountains on both faces",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark contrasting perimeter stitching around edges, whip-stitch style edge lacing visible",
                    "strap_construction": "narrow flat leather shoulder strap, buckle-adjustable, attached at top sides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette, material, hardware or origin: tooled Peru souvenir bag has no catalog match in Coach 1970s-2000s lines",
                    "Era reasoning: tourist hand-tooled Peru bags made over decades; without interior\/creed cannot date, assessed as non-Coach modern\/vintage souvenir",
                    "Condition: Very Good; leather appears supple with uniform color, edges intact, hardware untarnished in photos (photo 1-4), interior and bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17855,
            "output_tokens": 864,
            "total_tokens": 18719,
            "estimated_cost_usd": 0.009216
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18196,
            "output_tokens": 1413,
            "total_tokens": 19609,
            "estimated_cost_usd": 0.00477
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}