Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.06,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.865,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly shows a shoulder-bag silhouette with a long strap.",
        "photo 4: an interior compartment and textile lining are visible."
    ],
    "negative_evidence": [
        "photo 1: exterior is a knitted or woven textile material rather than Coach's characteristic leather, coated canvas, or signature canvas.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, leather hangtag, or other Coach identifier.",
        "photo 2: body construction is soft textile knit with a generic rounded shape, not a recognizable vintage Coach leather model.",
        "photo 4: interior appears textile-lined and lacks a visible creed patch or Coach label.",
        "Listing title and description call it unbranded; this is weak context only and does not establish brand identity.",
        "photo 1-3: brown crochet\/knit woven body - macrame\/crochet construction explicitly excluded as Coach unless identifier visible",
        "photo 4: brown polyester\/cotton fabric lining, not unlined suede-back glove-tanned leather",
        "photo 1-4: no solid brass hardware, no turnlock, no dogleash clips, no leather hangtag visible",
        "photo 4: single magnetic snap closure, thin braided textile straps - inconsistent with vintage Coach leather and brass construction"
    ],
    "missing_information": [
        "photo 4: interior back wall and all pockets should be photographed closely to confirm whether any brand label or creed is present.",
        "A close-up of the closure, strap attachments, and any sewn-in care or brand tags would help identify the maker.",
        "Bottom, side, and strap-condition photos are absent.",
        "No Coach identifiers visible in any photo to pursue further - no creed patch, wordmark, or solid-brass hardware shown",
        "No exterior bottom\/side detail or dimensions for scale beyond lifestyle shots",
        "Interior fabric tag partially visible in photo 4 but illegible - would need close-up to confirm non-Coach brand"
    ],
    "authenticity_concerns": [
        "The visible textile-knit construction is inconsistent with the classic vintage Coach handbag population.",
        "No Coach identifier is visible in the provided photos; the bag is best treated as a generic textile shoulder bag rather than a misidentified Coach.",
        "photo 1-4: crochet\/knit textile body incompatible with vintage Coach glove-tanned leather construction"
    ],
    "possible_model_reasoning": [
        "The rounded, soft shoulder-bag shape and braided strap fit a generic boho textile purse, not a specific Coach catalog model.",
        "No creed, serial, wordmark, or Coach hardware is visible to support a Coach attribution.",
        "Condition: Good to Very Good from visible photos; textile body appears intact, but interior, bottom, odors, and hidden wear are not fully assessable.",
        "No Coach model matches - crochet hobo silhouette with fabric lining and textile straps has no counterpart in classic glove-tanned catalog (City Bag, Willis, Court, etc. all require leather + brass turnlock)",
        "Condition: Good to Very Good as generic bag; crochet appears intact in photo 1-3, lining appears clean in photo 4, but full condition grading for Coach not applicable"
    ],
    "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 4: small non-distinctive closure hardware is visible; no Coach engraving or vintage brass hardware is legible.",
        "leather_description": "not_visible; the exterior appears knitted or woven textile rather than leather.",
        "lining_description": "photo 4: brown textile lining is visible; material and brand label are not identifiable.",
        "strap_construction": "photos 1 and 3: long narrow textile or braided shoulder strap attached to the bag sides.",
        "stitching_description": "photos 1-3: textile construction with visible knitted\/woven pattern; conventional leather-bag stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly shows a shoulder-bag silhouette with a long strap.",
                    "photo 4: an interior compartment and textile lining are visible."
                ],
                "negative_evidence": [
                    "photo 1: exterior is a knitted or woven textile material rather than Coach's characteristic leather, coated canvas, or signature canvas.",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, leather hangtag, or other Coach identifier.",
                    "photo 2: body construction is soft textile knit with a generic rounded shape, not a recognizable vintage Coach leather model.",
                    "photo 4: interior appears textile-lined and lacks a visible creed patch or Coach label.",
                    "Listing title and description call it unbranded; this is weak context only and does not establish brand identity."
                ],
                "missing_information": [
                    "photo 4: interior back wall and all pockets should be photographed closely to confirm whether any brand label or creed is present.",
                    "A close-up of the closure, strap attachments, and any sewn-in care or brand tags would help identify the maker.",
                    "Bottom, side, and strap-condition photos are absent."
                ],
                "authenticity_concerns": [
                    "The visible textile-knit construction is inconsistent with the classic vintage Coach handbag population.",
                    "No Coach identifier is visible in the provided photos; the bag is best treated as a generic textile shoulder bag rather than a misidentified Coach."
                ],
                "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 4: small non-distinctive closure hardware is visible; no Coach engraving or vintage brass hardware is legible.",
                    "leather_description": "not_visible; the exterior appears knitted or woven textile rather than leather.",
                    "lining_description": "photo 4: brown textile lining is visible; material and brand label are not identifiable.",
                    "strap_construction": "photos 1 and 3: long narrow textile or braided shoulder strap attached to the bag sides.",
                    "stitching_description": "photos 1-3: textile construction with visible knitted\/woven pattern; conventional leather-bag stitching is not visible."
                },
                "possible_model_reasoning": [
                    "The rounded, soft shoulder-bag shape and braided strap fit a generic boho textile purse, not a specific Coach catalog model.",
                    "No creed, serial, wordmark, or Coach hardware is visible to support a Coach attribution.",
                    "Condition: Good to Very Good from visible photos; textile body appears intact, but interior, bottom, odors, and hidden wear are not fully assessable."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: crochet\/knit textile body incompatible with vintage Coach glove-tanned leather construction"
                ],
                "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": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach identifiers visible in any photo to pursue further - no creed patch, wordmark, or solid-brass hardware shown",
                    "No exterior bottom\/side detail or dimensions for scale beyond lifestyle shots",
                    "Interior fabric tag partially visible in photo 4 but illegible - would need close-up to confirm non-Coach brand"
                ],
                "negative_evidence": [
                    "photo 1-3: brown crochet\/knit woven body - macrame\/crochet construction explicitly excluded as Coach unless identifier visible",
                    "photo 4: brown polyester\/cotton fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 1-4: no solid brass hardware, no turnlock, no dogleash clips, no leather hangtag visible",
                    "photo 4: single magnetic snap closure, thin braided textile straps - inconsistent with vintage Coach leather and brass construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass hardware visible; single dark magnetic snap at top edge in photo 4; no turnlock, zippers, or engraved hardware shown",
                    "leather_description": "not leather - brown crochet\/knit woven textile with open-weave basket pattern",
                    "lining_description": "photo 4: brown fabric lining visible inside bag, with small white fabric tag partially visible but illegible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no leather stitching visible; crochet knit loops forming body and top edge",
                    "strap_construction": "photo 1-3: thin double braided textile shoulder straps attached directly to crochet body, no brass slides or clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model matches - crochet hobo silhouette with fabric lining and textile straps has no counterpart in classic glove-tanned catalog (City Bag, Willis, Court, etc. all require leather + brass turnlock)",
                    "Condition: Good to Very Good as generic bag; crochet appears intact in photo 1-3, lining appears clean in photo 4, but full condition grading for Coach not applicable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16840,
            "output_tokens": 739,
            "total_tokens": 17579,
            "estimated_cost_usd": 0.00851
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17160,
            "output_tokens": 1174,
            "total_tokens": 18334,
            "estimated_cost_usd": 0.004371
        }
    ]
}