Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.87,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: Clearly constructed as a shoulder handbag with two handles, a top zip, and multiple compartments.",
        "photo 1, photo 2, photo 3: leather-look handbag silhouette with shoulder handles"
    ],
    "negative_evidence": [
        "photo 2: Faux-ostrich embossed material and highly glossy molded texture are inconsistent with classic Coach glove-tanned leather.",
        "photo 2: Visible triangular plaque does not appear to be a Coach wordmark, creed, or horse-and-carriage identifier.",
        "photos 1, 3, 4 and 6: Silver-tone hardware and decorative crocodile-textured trim do not resemble a typical vintage Coach construction.",
        "photo 5: Bottom and overall construction appear fashion-bag oriented rather than a recognizable vintage Coach silhouette.",
        "Listing text: Seller identifies the material as faux ostrich\/PU, which strongly weighs against Coach vintage leather.",
        "photo 2: yellow faux-ostrich embossed body with brown faux-croc trim and base - PU\/vegan textured materials, seller states PU",
        "photo 2: silver-tone buckle hardware and triangular front logo plaque - not vintage Coach solid brass turnlock geometry",
        "photo 5: faux-croc bottom with four silver-tone feet - plated hardware, not unlined glove-tanned classic construction",
        "photo 1, photo 3, photo 4: zip-top shoulder bag with fixed double handles - no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible",
        "seller states Unbranded and Faux Ostrich PU - consistent with photos"
    ],
    "missing_information": [
        "Straight-on photograph of the interior and all interior labels or fabric tags.",
        "Close-up of the triangular front plaque to identify its branding.",
        "Close-ups of zipper pulls, hardware markings, and stitching.",
        "Seller-stated dimensions and a clear photograph of the entire strap attachment areas.",
        "photo 2: triangular front logo plate illegible - close-up needed to confirm non-Coach brand",
        "photo 4: interior not shown emptied - lining material and any interior labels\/tags not visible",
        "creed patch \/ interior back wall not shown"
    ],
    "authenticity_concerns": [
        "The bag presents as an unbranded or non-Coach synthetic fashion handbag rather than a Coach product.",
        "No visible Coach creed, serial\/style number, Coach wordmark, or recognizable Coach hardware is present in the supplied photos.",
        "The faux-ostrich PU construction is inconsistent with the vintage Coach population being evaluated."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag lacks Coach identifiers and uses faux ostrich\/PU material with a non-Coach-looking triangular plaque.",
        "Condition: Good as seller states; photos show a generally intact bag, while listing text reports interior pen stains and possible cosmetic scrapes. Interior condition is only partially visible.",
        "Not a Coach model: faux PU ostrich\/croc combination, silver-tone hardware, zip-top fixed-handle shape and front logo plaque do not match any vintage Coach catalog style in 1970s-1990s glove-tanned classics or modern lines",
        "Condition: Good per seller text good clean condition with pen stains interior and cosmetic scrapes; photos show surface wear but no close interior view so grade capped"
    ],
    "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": "Silver-tone rings, zipper hardware, rivets, and feet are visible in photos 1, 3, 4, 5 and 6; no Coach engraving is legible.",
        "leather_description": "Visible surface has an ostrich-like embossed pattern and a coated\/synthetic appearance; seller states faux ostrich PU.",
        "lining_description": "Brown interior compartments and zipper sections are partially visible in photos 4 and 6; exact lining material is not_visible.",
        "strap_construction": "Two fixed shoulder handles with crocodile-textured covering are visible in photos 1, 2 and 3; attachment hardware is silver-tone.",
        "stitching_description": "Exterior edge stitching is visible in photos 1, 2, 3 and 5 but is not sufficiently detailed for a construction-quality assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "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": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: Clearly constructed as a shoulder handbag with two handles, a top zip, and multiple compartments."
                ],
                "negative_evidence": [
                    "photo 2: Faux-ostrich embossed material and highly glossy molded texture are inconsistent with classic Coach glove-tanned leather.",
                    "photo 2: Visible triangular plaque does not appear to be a Coach wordmark, creed, or horse-and-carriage identifier.",
                    "photos 1, 3, 4 and 6: Silver-tone hardware and decorative crocodile-textured trim do not resemble a typical vintage Coach construction.",
                    "photo 5: Bottom and overall construction appear fashion-bag oriented rather than a recognizable vintage Coach silhouette.",
                    "Listing text: Seller identifies the material as faux ostrich\/PU, which strongly weighs against Coach vintage leather."
                ],
                "missing_information": [
                    "Straight-on photograph of the interior and all interior labels or fabric tags.",
                    "Close-up of the triangular front plaque to identify its branding.",
                    "Close-ups of zipper pulls, hardware markings, and stitching.",
                    "Seller-stated dimensions and a clear photograph of the entire strap attachment areas."
                ],
                "authenticity_concerns": [
                    "The bag presents as an unbranded or non-Coach synthetic fashion handbag rather than a Coach product.",
                    "No visible Coach creed, serial\/style number, Coach wordmark, or recognizable Coach hardware is present in the supplied photos.",
                    "The faux-ostrich PU construction is inconsistent with the vintage Coach population being evaluated."
                ],
                "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": "Silver-tone rings, zipper hardware, rivets, and feet are visible in photos 1, 3, 4, 5 and 6; no Coach engraving is legible.",
                    "leather_description": "Visible surface has an ostrich-like embossed pattern and a coated\/synthetic appearance; seller states faux ostrich PU.",
                    "lining_description": "Brown interior compartments and zipper sections are partially visible in photos 4 and 6; exact lining material is not_visible.",
                    "strap_construction": "Two fixed shoulder handles with crocodile-textured covering are visible in photos 1, 2 and 3; attachment hardware is silver-tone.",
                    "stitching_description": "Exterior edge stitching is visible in photos 1, 2, 3 and 5 but is not sufficiently detailed for a construction-quality assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag lacks Coach identifiers and uses faux ostrich\/PU material with a non-Coach-looking triangular plaque.",
                    "Condition: Good as seller states; photos show a generally intact bag, while listing text reports interior pen stains and possible cosmetic scrapes. Interior condition is only partially visible."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 5,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 2: triangular front logo plate illegible - close-up needed to confirm non-Coach brand",
                    "photo 4: interior not shown emptied - lining material and any interior labels\/tags not visible",
                    "creed patch \/ interior back wall not shown"
                ],
                "negative_evidence": [
                    "photo 2: yellow faux-ostrich embossed body with brown faux-croc trim and base - PU\/vegan textured materials, seller states PU",
                    "photo 2: silver-tone buckle hardware and triangular front logo plaque - not vintage Coach solid brass turnlock geometry",
                    "photo 5: faux-croc bottom with four silver-tone feet - plated hardware, not unlined glove-tanned classic construction",
                    "photo 1, photo 3, photo 4: zip-top shoulder bag with fixed double handles - no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible",
                    "seller states Unbranded and Faux Ostrich PU - consistent with photos"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle straps on front (photo 2), silver-tone zipper and O-rings (photo 4, photo 6), four silver-tone base feet (photo 5); plated, modern, not solid brass",
                    "leather_description": "yellow tan faux-ostrich embossed PU body with brown faux-croc trim, handles and base; synthetic sheen, not glove-tanned cowhide",
                    "lining_description": "not_visible - interior not shown emptied",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone edge stitching visible on sides and handles (photo 1, photo 3); no detailed close-up to assess",
                    "strap_construction": "two fixed top shoulder handles in brown faux-croc PU with buckle-adjust look attachments (photo 2); no detachable crossbody, no dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2, photo 3: leather-look handbag silhouette with shoulder handles"
                ],
                "possible_model_reasoning": [
                    "Not a Coach model: faux PU ostrich\/croc combination, silver-tone hardware, zip-top fixed-handle shape and front logo plaque do not match any vintage Coach catalog style in 1970s-1990s glove-tanned classics or modern lines",
                    "Condition: Good per seller text good clean condition with pen stains interior and cosmetic scrapes; photos show surface wear but no close interior view so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17848,
            "output_tokens": 808,
            "total_tokens": 18656,
            "estimated_cost_usd": 0.009078
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18200,
            "output_tokens": 1033,
            "total_tokens": 19233,
            "estimated_cost_usd": 0.004466
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}