Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.87,
    "recommended_max_bid": 8.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a large tote\/hobo silhouette and shoulder straps.",
        "photo 5: Seller-provided product graphic describes the exterior as genuine leather, although material cannot be independently verified from these photos."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, or hangtag.",
        "photo 2: Generic unbranded construction and silhouette do not closely identify a Coach model.",
        "photo 5: Magnetic snap closure and thin strap attachment are more consistent with a modern generic bag than a classic vintage Coach design.",
        "photo 6: Fabric-lined interior and generic light-colored label provide no visible Coach identification.",
        "listing text: Seller explicitly lists the brand as Unbranded and describes a polyester lining, brand-new condition, and modern product-style marketing.",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible on exterior",
        "photo 6: interior shows dark polyester fabric lining with zip pockets and blank light-colored label, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 5: magnetic snap closure and eyelet-through strap construction, no brass turnlock of any geometry",
        "photo 1-4: modern slouchy hobo tote silhouette with center seam and cut-out shoulder strap, does not match any catalog Coach classic",
        "listing text states Brand New, polyester lining, magnetic snap, stock catalog images with BRAND NEW badge - modern fast-fashion production, not vintage Coach"
    ],
    "missing_information": [
        "photo 6: The small interior label is too blank or low-detail to determine whether any brand text is present.",
        "A straight-on close-up of the interior label and all interior seams.",
        "Close-ups of zipper pulls, snap hardware, strap attachments, and any exterior or interior markings.",
        "Photos of the bottom, corners, and full strap construction rather than only product graphics.",
        "photo 6 shows interior but no creed patch or brand stamp visible - close-up of any interior leather patch or label needed to fully exclude",
        "no exterior brand stamp, hangtag, or hardware engraving shown in close-up",
        "no bottom, side seam, or zipper-brand detail shown"
    ],
    "authenticity_concerns": [
        "The bag lacks every expected Coach identifier visible in the supplied photos.",
        "The generic modern design, magnetic snap, fabric lining, and brand-new promotional presentation are inconsistent with a typical vintage Coach classic.",
        "The listing's use of 'vintage' appears to describe styling rather than demonstrated age."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag has no visible Coach identifiers and its generic large hobo\/tote silhouette is shared by many contemporary makers.",
        "The seller's stated dimensions and compartment description support a modern large tote, not a specific vintage Coach style.",
        "Condition: Like New\/New as presented in product photos, but the listing uses stock-style images and the actual wear, corners, odor, and construction quality cannot be independently verified.",
        "No Coach model fits: shape is modern unbranded hobo tote with magnetic closure and polyester lining, inconsistent with unlined glove-tanned turnlock classics (City Bag, Willis, Court, Station, Duffle Sac, etc.)",
        "No hard identifiers visible in any photo to decode for era or style",
        "Condition: New as listed and as shown in stock-style images; no wear visible"
    ],
    "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 5: Dark round magnetic snap and small metal strap eyelets are visible; no turnlock, Coach engraving, or branded hardware is visible.",
        "leather_description": "photo 1: Smooth, heavily color-variegated dark green exterior with a soft\/slouchy appearance. Seller states genuine leather, but leather type and quality cannot be confirmed from product photos.",
        "lining_description": "photo 6: Dark fabric-lined interior with a central zippered divider or pocket and additional compartments; seller identifies the lining as polyester.",
        "strap_construction": "photos 1-5: Two narrow fixed shoulder straps attached through metal eyelets, with stitched or wrapped attachment sections; no adjustable crossbody strap is visibly shown.",
        "stitching_description": "photo 5: Even machine stitching is visible around the strap attachment and edges, but detail is insufficient for maker-specific assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a large tote\/hobo silhouette and shoulder straps.",
                    "photo 5: Seller-provided product graphic describes the exterior as genuine leather, although material cannot be independently verified from these photos."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, creed patch, or hangtag.",
                    "photo 2: Generic unbranded construction and silhouette do not closely identify a Coach model.",
                    "photo 5: Magnetic snap closure and thin strap attachment are more consistent with a modern generic bag than a classic vintage Coach design.",
                    "photo 6: Fabric-lined interior and generic light-colored label provide no visible Coach identification.",
                    "listing text: Seller explicitly lists the brand as Unbranded and describes a polyester lining, brand-new condition, and modern product-style marketing."
                ],
                "missing_information": [
                    "photo 6: The small interior label is too blank or low-detail to determine whether any brand text is present.",
                    "A straight-on close-up of the interior label and all interior seams.",
                    "Close-ups of zipper pulls, snap hardware, strap attachments, and any exterior or interior markings.",
                    "Photos of the bottom, corners, and full strap construction rather than only product graphics."
                ],
                "authenticity_concerns": [
                    "The bag lacks every expected Coach identifier visible in the supplied photos.",
                    "The generic modern design, magnetic snap, fabric lining, and brand-new promotional presentation are inconsistent with a typical vintage Coach classic.",
                    "The listing's use of 'vintage' appears to describe styling rather than demonstrated age."
                ],
                "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 5: Dark round magnetic snap and small metal strap eyelets are visible; no turnlock, Coach engraving, or branded hardware is visible.",
                    "leather_description": "photo 1: Smooth, heavily color-variegated dark green exterior with a soft\/slouchy appearance. Seller states genuine leather, but leather type and quality cannot be confirmed from product photos.",
                    "lining_description": "photo 6: Dark fabric-lined interior with a central zippered divider or pocket and additional compartments; seller identifies the lining as polyester.",
                    "strap_construction": "photos 1-5: Two narrow fixed shoulder straps attached through metal eyelets, with stitched or wrapped attachment sections; no adjustable crossbody strap is visibly shown.",
                    "stitching_description": "photo 5: Even machine stitching is visible around the strap attachment and edges, but detail is insufficient for maker-specific assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag has no visible Coach identifiers and its generic large hobo\/tote silhouette is shared by many contemporary makers.",
                    "The seller's stated dimensions and compartment description support a modern large tote, not a specific vintage Coach style.",
                    "Condition: Like New\/New as presented in product photos, but the listing uses stock-style images and the actual wear, corners, odor, and construction quality cannot be independently verified."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6 shows interior but no creed patch or brand stamp visible - close-up of any interior leather patch or label needed to fully exclude",
                    "no exterior brand stamp, hangtag, or hardware engraving shown in close-up",
                    "no bottom, side seam, or zipper-brand detail shown"
                ],
                "negative_evidence": [
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible on exterior",
                    "photo 6: interior shows dark polyester fabric lining with zip pockets and blank light-colored label, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 5: magnetic snap closure and eyelet-through strap construction, no brass turnlock of any geometry",
                    "photo 1-4: modern slouchy hobo tote silhouette with center seam and cut-out shoulder strap, does not match any catalog Coach classic",
                    "listing text states Brand New, polyester lining, magnetic snap, stock catalog images with BRAND NEW badge - modern fast-fashion production, not vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "black magnetic snap at top (photo 5-6); strap ends through metal eyelets; no brass turnlock, buckle, or dogleash clips visible",
                    "leather_description": "dark green smooth finished leather with burnished \/ vintage-effect sheen, slouchy thin hand (photo 1-5)",
                    "lining_description": "dark brown\/black fabric lining visible in photo 6; seller states polyester lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching tone-on-tone around top edge (photo 5-6); no detailed stitch close-up",
                    "strap_construction": "single wide fixed shoulder strap threaded through front and back eyelets, stitched at shoulder (photo 5)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: shape is modern unbranded hobo tote with magnetic closure and polyester lining, inconsistent with unlined glove-tanned turnlock classics (City Bag, Willis, Court, Station, Duffle Sac, etc.)",
                    "No hard identifiers visible in any photo to decode for era or style",
                    "Condition: New as listed and as shown in stock-style images; no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18353,
            "output_tokens": 876,
            "total_tokens": 19229,
            "estimated_cost_usd": 0.009444
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18916,
            "output_tokens": 1195,
            "total_tokens": 20111,
            "estimated_cost_usd": 0.004739
        }
    ]
}