Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.755,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a tote handbag with two shoulder straps and a zip-top opening.",
        "photo 3: Seller-provided dimensions describe a contemporary 12.5 x 14 x 2.5 inch tote.",
        "photo 1: Brown leather-like exterior and visible machine stitching are consistent with a generic fashion tote, but are not Coach-specific."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-specific hardware.",
        "photo 1: The bag has a very glossy, smooth, uniform surface and thin fashion-tote construction rather than visibly substantial vintage glove-tanned leather.",
        "photo 1: The exposed zipper and hardware appear silver-tone; no vintage Coach brass turnlock or other characteristic classic Coach hardware is visible.",
        "photo 2: Lifestyle image shows no identifying marks and appears promotional rather than a detailed original-condition listing photograph.",
        "photo 3: Product image shows only a generic zip-top tote silhouette, which is widely produced and not sufficient for Coach attribution.",
        "photo 1,3: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
        "photo 1,3: no turnlock - zip-top tote closure only",
        "photo 1,3: silver-tone zipper hardware, not vintage solid brass turnlock \/ brass hardware",
        "photo 1,2,3: thin fixed dual shoulder straps sewn directly to body, not Coach buckle-adjustable or dogleash-clip construction",
        "photo 1,2,3: smooth high-gloss uniform leather unlike matte glove-tanned cowhide with natural grain",
        "photo 1,2,3: tall thin 12.5x14x2.5 in zip tote silhouette does not match catalog classic styles",
        "photo 1,2,3: studio catalog \/ lifestyle stock images of new bag, not vintage secondhand presentation"
    ],
    "missing_information": [
        "Interior photograph, including the back wall, pockets, lining, and any leather creed patch.",
        "Close-up photographs of every label, zipper pull, hardware, and strap attachment.",
        "Back, bottom, side, and corner photographs to assess construction and wear.",
        "Confirmation of whether the exterior is genuine leather rather than PU, faux leather, or coated material.",
        "Original non-promotional photographs of the actual bag.",
        "photo of interior lining and any interior patch \/ creed \/ fabric tags - interior never shown",
        "close-up of zipper pull brand stamp and hardware tone",
        "close-up of strap attachments, stitching and edge finish",
        "photo of bottom, back and side views without model obstruction",
        "confirmation of material - seller claims genuine leather but no texture proof"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible anywhere in the supplied photos.",
        "The contemporary generic tote design and glossy finish are inconsistent with the usual visible cues of vintage Coach classics.",
        "The supplied images may be stock or AI-style promotional images rather than photographs documenting the actual listing item, limiting any authenticity assessment."
    ],
    "possible_model_reasoning": [
        "No Coach model is reasonably supported; the rectangular zip-top tote silhouette is generic and does not match a distinctive identifiable vintage Coach model from the visible evidence.",
        "Seller title states 'Genuine Leather' and 'Unbranded,' but this is unverified listing text and does not establish Coach manufacture.",
        "Condition: Not gradable from listing photos because the images appear promotional and do not show the actual interior, bottom, strap attachment points, or wear details.",
        "No Coach identifier visible in any photo so no Coach model can be ranked",
        "Silhouette is a generic modern zip-top shoulder tote 12.5x14x2.5 in, inconsistent with vintage Coach City Bag, Station, Court, Willis or Duffle dimensions and closures",
        "Construction - sewn-on thin straps, silver zipper, glossy coated leather - points to modern fast-fashion mass production, not 1970s-1990s unlined glove-tanned brass-hardware Coach",
        "Condition: appears New \/ unused catalog stock based on pristine surface in photos 1-3, but interior, bottom and corners not shown so grade 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: Silver-tone zip-top hardware and zipper pull are visible; no Coach engraving is legible. Other hardware is not visible.",
        "leather_description": "photo 1: Smooth, highly glossy brown leather-like material is visible; genuine leather versus synthetic material cannot be determined from the photos.",
        "lining_description": "not_visible - interior never shown emptied",
        "strap_construction": "photo 1: Two narrow, fixed, matching brown shoulder straps are attached with rectangular stitched tabs; no adjustable hardware is visible.",
        "stitching_description": "photo 1: Regular contrasting light stitching is visible along the handles and upper edges; detailed stress-point construction is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a tote handbag with two shoulder straps and a zip-top opening.",
                    "photo 3: Seller-provided dimensions describe a contemporary 12.5 x 14 x 2.5 inch tote.",
                    "photo 1: Brown leather-like exterior and visible machine stitching are consistent with a generic fashion tote, but are not Coach-specific."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-specific hardware.",
                    "photo 1: The bag has a very glossy, smooth, uniform surface and thin fashion-tote construction rather than visibly substantial vintage glove-tanned leather.",
                    "photo 1: The exposed zipper and hardware appear silver-tone; no vintage Coach brass turnlock or other characteristic classic Coach hardware is visible.",
                    "photo 2: Lifestyle image shows no identifying marks and appears promotional rather than a detailed original-condition listing photograph.",
                    "photo 3: Product image shows only a generic zip-top tote silhouette, which is widely produced and not sufficient for Coach attribution."
                ],
                "missing_information": [
                    "Interior photograph, including the back wall, pockets, lining, and any leather creed patch.",
                    "Close-up photographs of every label, zipper pull, hardware, and strap attachment.",
                    "Back, bottom, side, and corner photographs to assess construction and wear.",
                    "Confirmation of whether the exterior is genuine leather rather than PU, faux leather, or coated material.",
                    "Original non-promotional photographs of the actual bag."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible anywhere in the supplied photos.",
                    "The contemporary generic tote design and glossy finish are inconsistent with the usual visible cues of vintage Coach classics.",
                    "The supplied images may be stock or AI-style promotional images rather than photographs documenting the actual listing item, limiting any authenticity assessment."
                ],
                "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: Silver-tone zip-top hardware and zipper pull are visible; no Coach engraving is legible. Other hardware is not visible.",
                    "leather_description": "photo 1: Smooth, highly glossy brown leather-like material is visible; genuine leather versus synthetic material cannot be determined from the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two narrow, fixed, matching brown shoulder straps are attached with rectangular stitched tabs; no adjustable hardware is visible.",
                    "stitching_description": "photo 1: Regular contrasting light stitching is visible along the handles and upper edges; detailed stress-point construction is not assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is reasonably supported; the rectangular zip-top tote silhouette is generic and does not match a distinctive identifiable vintage Coach model from the visible evidence.",
                    "Seller title states 'Genuine Leather' and 'Unbranded,' but this is unverified listing text and does not establish Coach manufacture.",
                    "Condition: Not gradable from listing photos because the images appear promotional and do not show the actual interior, bottom, strap attachment points, or wear details."
                ],
                "confidence": 0.66,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "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 interior lining and any interior patch \/ creed \/ fabric tags - interior never shown",
                    "close-up of zipper pull brand stamp and hardware tone",
                    "close-up of strap attachments, stitching and edge finish",
                    "photo of bottom, back and side views without model obstruction",
                    "confirmation of material - seller claims genuine leather but no texture proof"
                ],
                "negative_evidence": [
                    "photo 1,3: no creed patch, COACH wordmark, horse-and-carriage or hangtag visible",
                    "photo 1,3: no turnlock - zip-top tote closure only",
                    "photo 1,3: silver-tone zipper hardware, not vintage solid brass turnlock \/ brass hardware",
                    "photo 1,2,3: thin fixed dual shoulder straps sewn directly to body, not Coach buckle-adjustable or dogleash-clip construction",
                    "photo 1,2,3: smooth high-gloss uniform leather unlike matte glove-tanned cowhide with natural grain",
                    "photo 1,2,3: tall thin 12.5x14x2.5 in zip tote silhouette does not match catalog classic styles",
                    "photo 1,2,3: studio catalog \/ lifestyle stock images of new bag, not vintage secondhand presentation"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zip top zipper with leather pull tab visible in photo 1 and 3; no brass turnlock, buckles, D-rings or stamped pulls visible",
                    "leather_description": "cognac \/ light brown smooth leather with high-gloss uniform finish in photos 1-3; no glove-tanned grain, patina or natural scars visible",
                    "lining_description": "not_visible - interior never shown emptied",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light tan contrast stitching along strap edges visible in photo 3; no detail of stress-point stitching visible",
                    "strap_construction": "dual thin fixed shoulder straps sewn to tote body, 10.5 in drop per diagram in photo 3; no buckles, clips or dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no Coach model can be ranked",
                    "Silhouette is a generic modern zip-top shoulder tote 12.5x14x2.5 in, inconsistent with vintage Coach City Bag, Station, Court, Willis or Duffle dimensions and closures",
                    "Construction - sewn-on thin straps, silver zipper, glossy coated leather - points to modern fast-fashion mass production, not 1970s-1990s unlined glove-tanned brass-hardware Coach",
                    "Condition: appears New \/ unused catalog stock based on pristine surface in photos 1-3, but interior, bottom and corners not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20854,
            "output_tokens": 840,
            "total_tokens": 21694,
            "estimated_cost_usd": 0.010358
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21457,
            "output_tokens": 1352,
            "total_tokens": 22809,
            "estimated_cost_usd": 0.005373
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}