Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.08,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.065,
    "image_quality_score": 0.425,
    "seller_misidentification_probability": 0.08,
    "confidence": 0.51,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder handbag with long shoulder straps and sewn leather construction.",
        "photo 1: brown leather and metal strap attachments are broadly compatible with many vintage leather bags, including some Coach construction.",
        "photo 1: object is a brown leather handbag \/ shoulder bag"
    ],
    "negative_evidence": [
        "photo 1: no legible COACH wordmark, horse-and-carriage, creed patch, hangtag, or serial\/style number is visible.",
        "photo 1: the heavily pebbled leather, elongated strap construction, and dark\/irregular hardware do not closely match a distinctive classic Coach model from the visible exterior.",
        "photos 1-4: the bag is shown only from similar exterior angles, so there is no identifier-based evidence supporting Coach manufacture.",
        "listing text: seller identifies the brand as unbranded; this is weak contextual evidence only and does not establish authenticity.",
        "photo 1: no turnlock or Coach turnlock geometry visible",
        "photo 1: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: silhouette does not match catalog classic - soft slouchy body with buckle-attached double rolled handles, no flap + turnlock",
        "photo 1: handle attachment via small buckles and stitched tabs unlike vintage Coach dogleash, lobster, dowel or buckle-adjustable classic systems",
        "photos 1-3 are near-duplicates of single exterior view, no interior, bottom, or identifier views"
    ],
    "missing_information": [
        "photo 1: interior is not shown; request a clear photo of the entire interior, including the back wall, pockets, seams, and any labels.",
        "photo 1: request a straight-on close-up of any interior leather patch or fabric tag.",
        "photo 1: request close-ups of all hardware, closures, zipper pulls, and both sides of the straps.",
        "photo 1: request front, back, side, bottom, and corner photos to assess the complete silhouette and construction.",
        "photo 1: seller provides no dimensions, country-of-origin information, or material details.",
        "interior views including creed patch area not shown - photo 1 only shows exterior side",
        "front \/ back \/ bottom \/ opposite side views not shown",
        "hardware close-ups and any stamps \/ wordmarks not shown",
        "hangtag both faces not shown",
        "lining material and construction not shown",
        "strap \/ handle full length and damage detail not shown",
        "dimensions and scale cue not provided"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifier is visible, leaving the bag more consistent with a generic unbranded leather lookalike than an identifiable Coach piece.",
        "photo 1: visible construction does not provide enough era-consistent Coach evidence to support a Coach attribution."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because no identifier or distinctive Coach silhouette is visible. The bag appears to be a generic worn leather shoulder bag rather than a recognizable City Bag, Court, Willis, Station, or Duffle Sac.",
        "Condition: Fair\/rehab; photos show pronounced creasing, darkening, dryness, and wear on the leather and straps, while the interior and functional hardware are not shown.",
        "No Coach model fits: no flap-turnlock, no dowel handle, no duffle-bucket or Ergo\/Soho shape; buckle-tab handle system not seen in \u00a74 catalog",
        "No creed, serial, wordmark or hangtag visible to decode era or style",
        "Condition: Fair \/ Rehab; photo 1 shows collapsed shape, worn \/ twisted handles with damage at folds and attachments, scuffed leather"
    ],
    "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 metal strap attachment hardware and leather keeper\/closure components are visible; exact metal and closure operation are unclear.",
        "leather_description": "photo 1: brown, heavily pebbled leather with substantial creasing, surface wear, darkened areas, and apparent dryness.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long narrow leather shoulder straps attached through sewn leather tabs and metal fittings; significant wear and darkening are visible.",
        "stitching_description": "photo 1: visible exterior stitching appears machine-sewn and generally straight, though close-up quality is insufficient for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0074,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.12,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.08,
                "image_quality_score": 0.55,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder handbag with long shoulder straps and sewn leather construction.",
                    "photo 1: brown leather and metal strap attachments are broadly compatible with many vintage leather bags, including some Coach construction."
                ],
                "negative_evidence": [
                    "photo 1: no legible COACH wordmark, horse-and-carriage, creed patch, hangtag, or serial\/style number is visible.",
                    "photo 1: the heavily pebbled leather, elongated strap construction, and dark\/irregular hardware do not closely match a distinctive classic Coach model from the visible exterior.",
                    "photos 1-4: the bag is shown only from similar exterior angles, so there is no identifier-based evidence supporting Coach manufacture.",
                    "listing text: seller identifies the brand as unbranded; this is weak contextual evidence only and does not establish authenticity."
                ],
                "missing_information": [
                    "photo 1: interior is not shown; request a clear photo of the entire interior, including the back wall, pockets, seams, and any labels.",
                    "photo 1: request a straight-on close-up of any interior leather patch or fabric tag.",
                    "photo 1: request close-ups of all hardware, closures, zipper pulls, and both sides of the straps.",
                    "photo 1: request front, back, side, bottom, and corner photos to assess the complete silhouette and construction.",
                    "photo 1: seller provides no dimensions, country-of-origin information, or material details."
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifier is visible, leaving the bag more consistent with a generic unbranded leather lookalike than an identifiable Coach piece.",
                    "photo 1: visible construction does not provide enough era-consistent Coach evidence to support a Coach attribution."
                ],
                "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 metal strap attachment hardware and leather keeper\/closure components are visible; exact metal and closure operation are unclear.",
                    "leather_description": "photo 1: brown, heavily pebbled leather with substantial creasing, surface wear, darkened areas, and apparent dryness.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: long narrow leather shoulder straps attached through sewn leather tabs and metal fittings; significant wear and darkening are visible.",
                    "stitching_description": "photo 1: visible exterior stitching appears machine-sewn and generally straight, though close-up quality is insufficient for detailed assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because no identifier or distinctive Coach silhouette is visible. The bag appears to be a generic worn leather shoulder bag rather than a recognizable City Bag, Court, Willis, Station, or Duffle Sac.",
                    "Condition: Fair\/rehab; photos show pronounced creasing, darkening, dryness, and wear on the leather and straps, while the interior and functional hardware are not shown."
                ],
                "confidence": 0.47,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.04,
                "confidence": 0.55,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.3,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views including creed patch area not shown - photo 1 only shows exterior side",
                    "front \/ back \/ bottom \/ opposite side views not shown",
                    "hardware close-ups and any stamps \/ wordmarks not shown",
                    "hangtag both faces not shown",
                    "lining material and construction not shown",
                    "strap \/ handle full length and damage detail not shown",
                    "dimensions and scale cue not provided"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock or Coach turnlock geometry visible",
                    "photo 1: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: silhouette does not match catalog classic - soft slouchy body with buckle-attached double rolled handles, no flap + turnlock",
                    "photo 1: handle attachment via small buckles and stitched tabs unlike vintage Coach dogleash, lobster, dowel or buckle-adjustable classic systems",
                    "photos 1-3 are near-duplicates of single exterior view, no interior, bottom, or identifier views"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone buckles at handle bases visible in photo 1; no turnlock, no dogleash clips, no engraving legible",
                    "leather_description": "photo 1: medium tan-brown soft pebbled leather with slouching, creasing and wear; not clearly glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: horizontal seam across body visible; stitch detail not legible for tightness or thread match",
                    "strap_construction": "photo 1: two thin rolled double shoulder handles attached with buckles to small leather tabs; handles show twisting, wear and damage at attachment",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: object is a brown leather handbag \/ shoulder bag"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no flap-turnlock, no dowel handle, no duffle-bucket or Ergo\/Soho shape; buckle-tab handle system not seen in \u00a74 catalog",
                    "No creed, serial, wordmark or hangtag visible to decode era or style",
                    "Condition: Fair \/ Rehab; photo 1 shows collapsed shape, worn \/ twisted handles with damage at folds and attachments, scuffed leather"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24211,
            "output_tokens": 808,
            "total_tokens": 25019,
            "estimated_cost_usd": 0.011624
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25180,
            "output_tokens": 1181,
            "total_tokens": 26361,
            "estimated_cost_usd": 0.005981
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}