Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.045,
    "vintage_probability": 0.49,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.74,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Small leather crossbody handbag with a long shoulder strap and flap construction.",
        "photo 2: Visible leather patchwork in brown, black, and olive tones; the material appears leather rather than fabric or plastic.",
        "photo 3: Interior is visible and appears leather-lined or leather-faced, but no Coach creed is present.",
        "photo 4: The bag has a simple snap closure and generally vintage styling.",
        "photo 1: leather small flap crossbody handbag, vintage-style construction",
        "photo 3-4: all-leather interior without synthetic lining"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible.",
        "photo 2: The geometric patchwork design and rounded edge piping do not correspond to a clearly recognizable classic Coach silhouette.",
        "photo 3: No rectangular Coach creed patch is visible on the interior back wall or flap.",
        "photo 4: The closure uses plain circular snap hardware rather than the characteristic vintage Coach turnlock.",
        "photo 5: Hardware appears mixed or worn and is not visibly marked; no Coach-specific zipper, buckle, or stamp is shown.",
        "Listing data: Seller identifies the bag as unbranded; this is consistent with the absence of visible Coach identifiers but is not proof by itself.",
        "photo 1-4: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 4-6: closure is round magnetic snap, not Coach turnlock geometry",
        "photo 1-2: geometric patchwork flap in black\/brown\/tan\/olive has no match in Coach classic catalog styles",
        "photo 4: interior is black leather with slip pocket but no visible creed patch"
    ],
    "missing_information": [
        "photo 3: A fully emptied interior photographed straight-on, including all pockets and seams, to confirm no hidden creed or fabric label.",
        "photo 1: Close-ups of both sides of the strap attachment and any hardware markings.",
        "photo 2: Close-up of stitching, edge construction, and leather grain at the patchwork seams.",
        "Seller-stated dimensions and a photograph with a ruler for scale.",
        "Information about odor, mold, lining condition, and snap function, which cannot be determined reliably from photos.",
        "photo of interior wall \/ slip pocket where creed would sit not shown as close-up - creed not shown",
        "no bottom \/ side \/ hardware stamp views",
        "no hangtag views (none visible)",
        "seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "photo 1: The bag lacks the identifiers normally expected for a Coach leather handbag, including a creed, wordmark, or recognizable Coach hardware.",
        "photo 2: Its patchwork design and plain snap construction are more consistent with a generic vintage leather bag than a documented Coach model.",
        "photo 3: The absence of a creed is concerning for a purported 1980s Coach bag, although a concealed or pre-creed exception cannot be fully excluded without a more exhaustive interior inspection."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag has no visible Coach identifier and does not strongly match a listed classic Coach model.",
        "The small flap crossbody proportions could superficially resemble generic versions of a Dinky or Pocket Purse, but the patchwork exterior and snap closure do not provide a reliable Coach model match.",
        "Estimated era is uncertain: the styling may be vintage or vintage-inspired, but no photographed identifier establishes a pre-2000 date.",
        "Condition: Good to Very Good; visible creasing and surface wear are present, while corners and the full interior condition are not comprehensively documented.",
        "No Coach model matches: patchwork geometric flap + magnetic snap + thin fixed strap does not correspond to Dinky (9375), Pocket Purse (9755), City Bag (9790) or other classics which use turnlock and solid-color glove-tanned leather",
        "No serial decode possible - no number visible",
        "Condition: Good to Very Good; leather shows creasing and surface wear (photo 4), snap tarnished (photo 5-6), corners 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": "Visible circular snap closures with worn brass\/gold-toned surfaces; no Coach engraving is visible. Other hardware details are not visible.",
        "leather_description": "Visible smooth leather patchwork in black, brown, and olive tones, with some wrinkles, creasing, and surface wear.",
        "lining_description": "Interior appears black leather or leather-like material; no fabric lining or brand label is visible in the supplied interior photos.",
        "strap_construction": "Long narrow single shoulder strap, apparently leather or leather-like, attached at the upper sides; adjustment hardware is not visible.",
        "stitching_description": "Visible perimeter and patchwork stitching is generally straight and machine-sewn, with some unevenness and wear at edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.48,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Small leather crossbody handbag with a long shoulder strap and flap construction.",
                    "photo 2: Visible leather patchwork in brown, black, and olive tones; the material appears leather rather than fabric or plastic.",
                    "photo 3: Interior is visible and appears leather-lined or leather-faced, but no Coach creed is present.",
                    "photo 4: The bag has a simple snap closure and generally vintage styling."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage, or Coach hangtag is visible.",
                    "photo 2: The geometric patchwork design and rounded edge piping do not correspond to a clearly recognizable classic Coach silhouette.",
                    "photo 3: No rectangular Coach creed patch is visible on the interior back wall or flap.",
                    "photo 4: The closure uses plain circular snap hardware rather than the characteristic vintage Coach turnlock.",
                    "photo 5: Hardware appears mixed or worn and is not visibly marked; no Coach-specific zipper, buckle, or stamp is shown.",
                    "Listing data: Seller identifies the bag as unbranded; this is consistent with the absence of visible Coach identifiers but is not proof by itself."
                ],
                "missing_information": [
                    "photo 3: A fully emptied interior photographed straight-on, including all pockets and seams, to confirm no hidden creed or fabric label.",
                    "photo 1: Close-ups of both sides of the strap attachment and any hardware markings.",
                    "photo 2: Close-up of stitching, edge construction, and leather grain at the patchwork seams.",
                    "Seller-stated dimensions and a photograph with a ruler for scale.",
                    "Information about odor, mold, lining condition, and snap function, which cannot be determined reliably from photos."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag lacks the identifiers normally expected for a Coach leather handbag, including a creed, wordmark, or recognizable Coach hardware.",
                    "photo 2: Its patchwork design and plain snap construction are more consistent with a generic vintage leather bag than a documented Coach model.",
                    "photo 3: The absence of a creed is concerning for a purported 1980s Coach bag, although a concealed or pre-creed exception cannot be fully excluded without a more exhaustive interior inspection."
                ],
                "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": "Visible circular snap closures with worn brass\/gold-toned surfaces; no Coach engraving is visible. Other hardware details are not visible.",
                    "leather_description": "Visible smooth leather patchwork in black, brown, and olive tones, with some wrinkles, creasing, and surface wear.",
                    "lining_description": "Interior appears black leather or leather-like material; no fabric lining or brand label is visible in the supplied interior photos.",
                    "strap_construction": "Long narrow single shoulder strap, apparently leather or leather-like, attached at the upper sides; adjustment hardware is not visible.",
                    "stitching_description": "Visible perimeter and patchwork stitching is generally straight and machine-sewn, with some unevenness and wear at edges."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag has no visible Coach identifier and does not strongly match a listed classic Coach model.",
                    "The small flap crossbody proportions could superficially resemble generic versions of a Dinky or Pocket Purse, but the patchwork exterior and snap closure do not provide a reliable Coach model match.",
                    "Estimated era is uncertain: the styling may be vintage or vintage-inspired, but no photographed identifier establishes a pre-2000 date.",
                    "Condition: Good to Very Good; visible creasing and surface wear are present, while corners and the full interior condition are not comprehensively documented."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior wall \/ slip pocket where creed would sit not shown as close-up - creed not shown",
                    "no bottom \/ side \/ hardware stamp views",
                    "no hangtag views (none visible)",
                    "seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1-4: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 4-6: closure is round magnetic snap, not Coach turnlock geometry",
                    "photo 1-2: geometric patchwork flap in black\/brown\/tan\/olive has no match in Coach classic catalog styles",
                    "photo 4: interior is black leather with slip pocket but no visible creed patch"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone magnetic snap closure (photo 5-6: round snap with tarnish\/wear); no turnlock, no buckles, no zipper pulls visible",
                    "leather_description": "photo 1-3: smooth leather with sheen, patchwork geometric panels in black, brown, tan, olive on flap; photo 3: solid black leather body; not glove-tanned texture",
                    "lining_description": "photo 4: black leather interior flap underside and front slip pocket; no fabric lining visible; no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 3-4: straight edge stitching around body and pocket, tone-matched; no detailed stitch close-up",
                    "strap_construction": "photo 1,3: thin long fixed-length crossbody strap in black leather, sewn into sides; no buckle adjustment or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather small flap crossbody handbag, vintage-style construction",
                    "photo 3-4: all-leather interior without synthetic lining"
                ],
                "possible_model_reasoning": [
                    "No Coach model matches: patchwork geometric flap + magnetic snap + thin fixed strap does not correspond to Dinky (9375), Pocket Purse (9755), City Bag (9790) or other classics which use turnlock and solid-color glove-tanned leather",
                    "No serial decode possible - no number visible",
                    "Condition: Good to Very Good; leather shows creasing and surface wear (photo 4), snap tarnished (photo 5-6), corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 22979,
            "output_tokens": 953,
            "total_tokens": 23932,
            "estimated_cost_usd": 0.011479
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 23779,
            "output_tokens": 1514,
            "total_tokens": 25293,
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}