Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.155,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: Clearly a small shoulder handbag with a zip-top closure and shoulder strap.",
        "photo 1: Exterior construction and stitching are visible, but no Coach-specific branding is present."
    ],
    "negative_evidence": [
        "photo 1: All-over collage\/letter print is not Coach Signature C or a recognizable Coach print.",
        "photo 1: Material appears glossy and synthetic rather than vintage glove-tanned leather.",
        "photo 2: The bag has a generic small hobo\/shoulder-bag silhouette without a visible creed, Coach wordmark, carriage, or hangtag.",
        "photo 4: Side panel appears smooth, glossy, and faux-leather-like.",
        "photo 6: Bottom and trim appear synthetic and glossy; construction does not resemble a classic unlined vintage Coach bag.",
        "Listing text: seller explicitly states the bag is made of man-made materials and has a faux-leather strap; this is inconsistent with the typical vintage Coach leather population.",
        "photo 1,3,5: body is brown\/tan all-over letter\/newspaper print coated faux material, not glove-tanned cowhide",
        "photo 2,4,5: shiny dark brown faux-leather trim and strap with plastic-like sheen, not vintage solid brass leather construction",
        "photo 1,2,5: zip-top mini baguette\/hobo with no turnlock, no creed patch, no COACH wordmark, no hangtag visible",
        "seller states 'brown faux leather strap' and 'made of man made materials' - excludes 1970s-1990s Coach glove-tanned leather"
    ],
    "missing_information": [
        "photo 2\/5: Interior is not shown, so lining, interior label, and any creed or fabric tag cannot be assessed.",
        "photo 2\/5: No close-up of the zipper pull or any hardware markings.",
        "photo 2\/5: Strap attachment and full strap construction are not shown in detail.",
        "Seller-stated 1990s dating is not independently supported by visible identifiers.",
        "photo of emptied interior and any interior brand \/ content tags not shown",
        "creed patch close-up not shown - no stamped leather patch visible in any photo",
        "hardware close-ups not shown - zipper pull brand and strap attachments not legible",
        "bottom \/ corner wear detail limited to one bottom view (photo 6)"
    ],
    "authenticity_concerns": [
        "photo 1: Generic non-Coach letter collage print and synthetic-looking materials are strong lookalike indicators.",
        "photo 2: No visible Coach identifier is present on the exterior; the available photos do not support Coach manufacture."
    ],
    "possible_model_reasoning": [
        "The small zip-top shoulder-bag silhouette is generic and does not closely identify a Coach catalog model.",
        "The visible collage lettering is not Coach Signature C; no serial or creed is visible to establish an era or model.",
        "Condition: Good, based on visible surface wear\/scuffing and creasing in the glossy synthetic material (photos 1, 4, and 6); the interior and odor are unknown.",
        "No Coach identifier visible in any of 6 photos - no creed, wordmark, carriage, hangtag, or solid brass hardware",
        "Materials and print inconsistent with any vintage Coach line: man-made faux leather with novelty letter print vs unlined glove-tanned cowhide; Coach never made this print\/ construction",
        "Silhouette is generic late-90s\/Y2K faux-leather mini baguette \/ zip hobo, not a catalog Coach style - no model match",
        "Condition: Good to Very Good per photos - print intact, trim shiny with minor scuffs; interior, corners, strap fold 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: Dark zipper hardware is visible; no Coach engraving or distinctive vintage brass hardware is visible.",
        "leather_description": "photo 1 and photo 4: Glossy smooth brown trim appears man-made\/faux leather; seller also states man-made materials.",
        "lining_description": "not_visible - interior not shown except seller states zip pocket inside",
        "strap_construction": "photo 2 and photo 5: Wide brown glossy shoulder strap attached to the bag sides; detailed attachment and underside are not visible.",
        "stitching_description": "photo 1 and photo 4: Machine stitching appears generally even along the glossy trim; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0031,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.06,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: Clearly a small shoulder handbag with a zip-top closure and shoulder strap.",
                    "photo 1: Exterior construction and stitching are visible, but no Coach-specific branding is present."
                ],
                "negative_evidence": [
                    "photo 1: All-over collage\/letter print is not Coach Signature C or a recognizable Coach print.",
                    "photo 1: Material appears glossy and synthetic rather than vintage glove-tanned leather.",
                    "photo 2: The bag has a generic small hobo\/shoulder-bag silhouette without a visible creed, Coach wordmark, carriage, or hangtag.",
                    "photo 4: Side panel appears smooth, glossy, and faux-leather-like.",
                    "photo 6: Bottom and trim appear synthetic and glossy; construction does not resemble a classic unlined vintage Coach bag.",
                    "Listing text: seller explicitly states the bag is made of man-made materials and has a faux-leather strap; this is inconsistent with the typical vintage Coach leather population."
                ],
                "missing_information": [
                    "photo 2\/5: Interior is not shown, so lining, interior label, and any creed or fabric tag cannot be assessed.",
                    "photo 2\/5: No close-up of the zipper pull or any hardware markings.",
                    "photo 2\/5: Strap attachment and full strap construction are not shown in detail.",
                    "Seller-stated 1990s dating is not independently supported by visible identifiers."
                ],
                "authenticity_concerns": [
                    "photo 1: Generic non-Coach letter collage print and synthetic-looking materials are strong lookalike indicators.",
                    "photo 2: No visible Coach identifier is present on the exterior; the available photos do not support Coach manufacture."
                ],
                "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: Dark zipper hardware is visible; no Coach engraving or distinctive vintage brass hardware is visible.",
                    "leather_description": "photo 1 and photo 4: Glossy smooth brown trim appears man-made\/faux leather; seller also states man-made materials.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2 and photo 5: Wide brown glossy shoulder strap attached to the bag sides; detailed attachment and underside are not visible.",
                    "stitching_description": "photo 1 and photo 4: Machine stitching appears generally even along the glossy trim; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The small zip-top shoulder-bag silhouette is generic and does not closely identify a Coach catalog model.",
                    "The visible collage lettering is not Coach Signature C; no serial or creed is visible to establish an era or model.",
                    "Condition: Good, based on visible surface wear\/scuffing and creasing in the glossy synthetic material (photos 1, 4, and 6); the interior and odor are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of emptied interior and any interior brand \/ content tags not shown",
                    "creed patch close-up not shown - no stamped leather patch visible in any photo",
                    "hardware close-ups not shown - zipper pull brand and strap attachments not legible",
                    "bottom \/ corner wear detail limited to one bottom view (photo 6)"
                ],
                "negative_evidence": [
                    "photo 1,3,5: body is brown\/tan all-over letter\/newspaper print coated faux material, not glove-tanned cowhide",
                    "photo 2,4,5: shiny dark brown faux-leather trim and strap with plastic-like sheen, not vintage solid brass leather construction",
                    "photo 1,2,5: zip-top mini baguette\/hobo with no turnlock, no creed patch, no COACH wordmark, no hangtag visible",
                    "seller states 'brown faux leather strap' and 'made of man made materials' - excludes 1970s-1990s Coach glove-tanned leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark zip-top zipper, brand not legible; no brass turnlock, buckles, or dogleash clips visible",
                    "leather_description": "not leather - printed man-made faux leather with brown\/tan\/black letter print body and solid dark brown faux-leather trim\/strap; shiny plastic-like surface",
                    "lining_description": "not_visible - interior not shown except seller states zip pocket inside",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark edge stitching visible on trim and strap (photo 4,6), even but not indicative of Coach; no detailed stitch assessment possible",
                    "strap_construction": "single fixed short shoulder strap in dark brown faux leather, no buckle adjustment or brass clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos - no creed, wordmark, carriage, hangtag, or solid brass hardware",
                    "Materials and print inconsistent with any vintage Coach line: man-made faux leather with novelty letter print vs unlined glove-tanned cowhide; Coach never made this print\/ construction",
                    "Silhouette is generic late-90s\/Y2K faux-leather mini baguette \/ zip hobo, not a catalog Coach style - no model match",
                    "Condition: Good to Very Good per photos - print intact, trim shiny with minor scuffs; interior, corners, strap fold and odor unknown because interior not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17825,
            "output_tokens": 848,
            "total_tokens": 18673,
            "estimated_cost_usd": 0.009165
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18163,
            "output_tokens": 1391,
            "total_tokens": 19554,
            "estimated_cost_usd": 0.004745
        }
    ]
}