Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.87,
    "recommended_max_bid": 20,
    "estimated_resale_low": 20,
    "estimated_resale_high": 60,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a large leather shoulder handbag with adjustable shoulder straps.",
        "photo 1: The bag appears to use genuine-looking brown leather with substantial construction.",
        "photo 2: Side and base construction are visible, confirming a structured handbag rather than a small accessory."
    ],
    "negative_evidence": [
        "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, hangtag, or recognizable Coach silhouette is visible.",
        "photo 1: The all-over folded geometric leather construction is not characteristic of the cataloged vintage Coach classic lines.",
        "photo 1: Hardware is bright silver-tone and buckle-based; vintage Coach classics more commonly use solid brass and turnlock or dogleash hardware.",
        "photo 4: Strap attachment uses large silver-tone rectangular buckles rather than typical vintage Coach strap hardware.",
        "photo 6: The rear shows the same generic geometric leather pattern and no brand identifier.",
        "photo 1: oversized origami \/ triangle-patchwork tote silhouette with open top has no match in Coach classic catalog",
        "photo 1,4,5: silver-tone buckle hardware, not solid brass vintage Coach hardware",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1,4: patchwork folded leather construction unlike Coach glove-tanned cowhide classics",
        "photo 3: side profile with thin buckle-adjustable straps unlike Coach Duffle, City Bag, Willis, Court, Station construction",
        "photo 1-6: no turnlock closure present"
    ],
    "missing_information": [
        "Interior view, including any leather creed patch, brand label, lining, and fabric tags.",
        "Close-up of any zipper pulls, interior hardware, or hidden stamps.",
        "Exact dimensions and a photo of the underside and all corners.",
        "Seller-provided provenance or purchase information, although this would remain weak evidence without visible branding.",
        "interior views emptied showing lining and any creed patch or fabric tags not shown",
        "creed patch straight-on close-up in raking light not shown",
        "hangtag both faces and hardware engravings not shown",
        "bottom corners, back, and scale\/dimensions not fully shown beyond studio views"
    ],
    "authenticity_concerns": [
        "The visible construction is inconsistent with common vintage Coach models and lacks any Coach identifier.",
        "The bright silver-tone buckle hardware and geometric folded-leather body suggest a contemporary or generic Italian-style leather bag rather than a vintage Coach classic.",
        "The listing title's 'Italian Crafted' claim is seller-provided and is not independently verified in the photos.",
        "photo 1-6: no Coach creed, wordmark, hangtag, or turnlock visible to verify against; construction inconsistent with vintage Coach"
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match from the visible silhouette and construction; the bag is an oversized structured geometric leather tote\/shoulder bag.",
        "Condition appears approximately Very Good from the visible exterior: light surface creasing and variable leather sheen are present, but no obvious major tears or broken hardware are visible. Interior condition is unknown.",
        "The modern-looking silver-tone hardware, oversized geometric body, and absence of Coach identifiers support a non-Coach classification.",
        "No Coach model fits: open-top oversized origami-patchwork tote with silver buckle straps does not match City Bag, Willis, Court, Station, Duffle Sac, or other classics in silhouette, closure, hardware, or leather",
        "Era reasoning: modern construction, silver hardware, origami design, and seller title 'Italian Crafted' point to modern non-Coach production",
        "Condition: appears Like New \/ new studio product with uniform color and clean straps (photo 1-6), but interior, bottom, and wear cannot be graded as interior not shown - cap at Very Good for resale"
    ],
    "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": "Bright silver-tone rectangular adjustable buckles and strap loops are visible; no Coach engraving is visible.",
        "leather_description": "Brown leather with a glossy, heavily folded\/geometric patchwork or woven effect; genuine leather cannot be confirmed solely from photos.",
        "lining_description": "not_visible - interior not shown except dark glimpse photo 3",
        "strap_construction": "Two wide adjustable brown leather shoulder straps with multiple punched holes, double-row stitching, keeper loops, and rectangular buckle hardware.",
        "stitching_description": "Visible stitching is generally regular and brown-toned along the straps and upper edges; interior and stress-point stitching are not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a large leather shoulder handbag with adjustable shoulder straps.",
                    "photo 1: The bag appears to use genuine-looking brown leather with substantial construction.",
                    "photo 2: Side and base construction are visible, confirming a structured handbag rather than a small accessory."
                ],
                "negative_evidence": [
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, hangtag, or recognizable Coach silhouette is visible.",
                    "photo 1: The all-over folded geometric leather construction is not characteristic of the cataloged vintage Coach classic lines.",
                    "photo 1: Hardware is bright silver-tone and buckle-based; vintage Coach classics more commonly use solid brass and turnlock or dogleash hardware.",
                    "photo 4: Strap attachment uses large silver-tone rectangular buckles rather than typical vintage Coach strap hardware.",
                    "photo 6: The rear shows the same generic geometric leather pattern and no brand identifier."
                ],
                "missing_information": [
                    "Interior view, including any leather creed patch, brand label, lining, and fabric tags.",
                    "Close-up of any zipper pulls, interior hardware, or hidden stamps.",
                    "Exact dimensions and a photo of the underside and all corners.",
                    "Seller-provided provenance or purchase information, although this would remain weak evidence without visible branding."
                ],
                "authenticity_concerns": [
                    "The visible construction is inconsistent with common vintage Coach models and lacks any Coach identifier.",
                    "The bright silver-tone buckle hardware and geometric folded-leather body suggest a contemporary or generic Italian-style leather bag rather than a vintage Coach classic.",
                    "The listing title's 'Italian Crafted' claim is seller-provided and is not independently verified in the photos."
                ],
                "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": "Bright silver-tone rectangular adjustable buckles and strap loops are visible; no Coach engraving is visible.",
                    "leather_description": "Brown leather with a glossy, heavily folded\/geometric patchwork or woven effect; genuine leather cannot be confirmed solely from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two wide adjustable brown leather shoulder straps with multiple punched holes, double-row stitching, keeper loops, and rectangular buckle hardware.",
                    "stitching_description": "Visible stitching is generally regular and brown-toned along the straps and upper edges; interior and stress-point stitching are not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match from the visible silhouette and construction; the bag is an oversized structured geometric leather tote\/shoulder bag.",
                    "Condition appears approximately Very Good from the visible exterior: light surface creasing and variable leather sheen are present, but no obvious major tears or broken hardware are visible. Interior condition is unknown.",
                    "The modern-looking silver-tone hardware, oversized geometric body, and absence of Coach identifiers support a non-Coach classification."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: no Coach creed, wordmark, hangtag, or turnlock visible to verify against; construction inconsistent with vintage Coach"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied showing lining and any creed patch or fabric tags not shown",
                    "creed patch straight-on close-up in raking light not shown",
                    "hangtag both faces and hardware engravings not shown",
                    "bottom corners, back, and scale\/dimensions not fully shown beyond studio views"
                ],
                "negative_evidence": [
                    "photo 1: oversized origami \/ triangle-patchwork tote silhouette with open top has no match in Coach classic catalog",
                    "photo 1,4,5: silver-tone buckle hardware, not solid brass vintage Coach hardware",
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1,4: patchwork folded leather construction unlike Coach glove-tanned cowhide classics",
                    "photo 3: side profile with thin buckle-adjustable straps unlike Coach Duffle, City Bag, Willis, Court, Station construction",
                    "photo 1-6: no turnlock closure present"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle-adjustable strap hardware visible photo 1,4,5; no turnlock; no COACH stamping visible; modern plated appearance",
                    "leather_description": "brown burnished leather with all-over origami triangle-fold patchwork \/ quilted geometric pattern visible photo 1,2,6; smooth straps in contrasting solid brown; not glove-tanned classic grain",
                    "lining_description": "not_visible - interior not shown except dark glimpse photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast tan edge stitching on straps visible photo 4,5; patchwork seams forming grid visible photo 1,2,6",
                    "strap_construction": "two long shoulder straps with buckle adjustment and keeper loops, attached at top edge visible photo 1,3,5",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: open-top oversized origami-patchwork tote with silver buckle straps does not match City Bag, Willis, Court, Station, Duffle Sac, or other classics in silhouette, closure, hardware, or leather",
                    "Era reasoning: modern construction, silver hardware, origami design, and seller title 'Italian Crafted' point to modern non-Coach production",
                    "Condition: appears Like New \/ new studio product with uniform color and clean straps (photo 1-6), but interior, bottom, and wear cannot be graded as interior not shown - cap at Very Good for resale"
                ],
                "possible_models": [],
                "recommended_max_bid": 25,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24761,
            "output_tokens": 795,
            "total_tokens": 25556,
            "estimated_cost_usd": 0.011812
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25743,
            "output_tokens": 1381,
            "total_tokens": 27124,
            "estimated_cost_usd": 0.006253
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}