Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.84,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a dome satchel silhouette, top handles, and a zip-top opening"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware",
        "photo 1: prominent all-over ostrich-style embossing and decorative central panel are not characteristic of classic vintage Coach construction",
        "photo 3: exposed zipper and lined construction suggest a modern fashion bag rather than an unlined vintage glove-tanned Coach classic",
        "photo 4: interior shows patterned fabric lining, with no visible Coach creed patch",
        "photo 5: interior tag is too small and blurred to establish Coach branding",
        "photo 6: bottom has generic protective feet and no visible identifying stamp",
        "photo 1, photo 2: green ostrich\/croc-embossed coated material, not vintage Coach smooth glove-tanned cowhide",
        "photo 4: brown striped polyester fabric lining, fully lined - vintage classics are unlined suede-back",
        "photo 1, photo 3: silver-tone top zip closure, no solid brass turnlock or brass hardware",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
        "photo 5: silver-tone base studs and smooth green base trim, not vintage Coach brass feet construction",
        "photo 1, photo 2, photo 6: dome zip satchel silhouette with fixed top handles does not match any classic Coach catalog style"
    ],
    "missing_information": [
        "photo 4-5: close, straight-on photograph of the interior tag and all interior pockets",
        "photo 4-5: photograph of any interior leather creed patch or fabric style tag filling the frame",
        "photo 3: close-up of zipper pull and hardware for any brand engraving",
        "photo 1-2: close-up of handles, stitching, and exterior labels",
        "photo 4: interior tag white fabric tag illegible - need straight-on readable photo to confirm maker",
        "photo 1-6: no creed patch shown - need interior back wall \/ slip pocket close-up in raking light",
        "photo 3: zipper pull brand stamp not visible - need close-up"
    ],
    "authenticity_concerns": [
        "photo 1: the embossed exotic-skin-look design and decorative central motif appear consistent with a generic contemporary fashion handbag, not a Coach identifier",
        "photo 4: the visible lining and small fabric tag do not show a readable Coach creed or style number"
    ],
    "possible_model_reasoning": [
        "The dome satchel\/top-handle silhouette does not closely identify a Coach catalog model and is widely used by generic handbag manufacturers.",
        "The visible lining, exotic-style embossing, and lack of any Coach identifier support a modern non-Coach classification.",
        "Condition appears Very Good from the shown exterior: structure is intact with no obvious major tears or broken hardware; bottom, corners, and interior condition are only partially documented.",
        "No Coach identifier visible in any of 6 photos to decode for style or era",
        "Silhouette is zip-top dome satchel with embossed exotic print and fabric lining - inconsistent with 1970s-1990s glove-tanned unlined brass-turnlock Coach classics",
        "Condition: Very Good to Excellent; exterior embossing intact photo 1-2, base clean photo 5, interior appears clean photo 4, handles intact"
    ],
    "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 3: zip-top closure with light metallic zipper teeth; no readable brand engraving visible",
        "leather_description": "photo 1: green material with ostrich-style embossed texture and smooth contrasting trim; exact material cannot be determined",
        "lining_description": "photo 4: fabric-lined interior with a dark central compartment and a small unreadable fabric tag",
        "strap_construction": "photo 1: two fixed rounded top handles; no detachable shoulder strap visible",
        "stitching_description": "photos 1-2: perimeter stitching appears generally even, though detail is limited; no distinctive Coach construction 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": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a dome satchel silhouette, top handles, and a zip-top opening"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware",
                    "photo 1: prominent all-over ostrich-style embossing and decorative central panel are not characteristic of classic vintage Coach construction",
                    "photo 3: exposed zipper and lined construction suggest a modern fashion bag rather than an unlined vintage glove-tanned Coach classic",
                    "photo 4: interior shows patterned fabric lining, with no visible Coach creed patch",
                    "photo 5: interior tag is too small and blurred to establish Coach branding",
                    "photo 6: bottom has generic protective feet and no visible identifying stamp"
                ],
                "missing_information": [
                    "photo 4-5: close, straight-on photograph of the interior tag and all interior pockets",
                    "photo 4-5: photograph of any interior leather creed patch or fabric style tag filling the frame",
                    "photo 3: close-up of zipper pull and hardware for any brand engraving",
                    "photo 1-2: close-up of handles, stitching, and exterior labels"
                ],
                "authenticity_concerns": [
                    "photo 1: the embossed exotic-skin-look design and decorative central motif appear consistent with a generic contemporary fashion handbag, not a Coach identifier",
                    "photo 4: the visible lining and small fabric tag do not show a readable Coach creed or style number"
                ],
                "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 3: zip-top closure with light metallic zipper teeth; no readable brand engraving visible",
                    "leather_description": "photo 1: green material with ostrich-style embossed texture and smooth contrasting trim; exact material cannot be determined",
                    "lining_description": "photo 4: fabric-lined interior with a dark central compartment and a small unreadable fabric tag",
                    "strap_construction": "photo 1: two fixed rounded top handles; no detachable shoulder strap visible",
                    "stitching_description": "photos 1-2: perimeter stitching appears generally even, though detail is limited; no distinctive Coach construction visible"
                },
                "possible_model_reasoning": [
                    "The dome satchel\/top-handle silhouette does not closely identify a Coach catalog model and is widely used by generic handbag manufacturers.",
                    "The visible lining, exotic-style embossing, and lack of any Coach identifier support a modern non-Coach classification.",
                    "Condition appears Very Good from the shown exterior: structure is intact with no obvious major tears or broken hardware; bottom, corners, and interior condition are only partially documented."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: interior tag white fabric tag illegible - need straight-on readable photo to confirm maker",
                    "photo 1-6: no creed patch shown - need interior back wall \/ slip pocket close-up in raking light",
                    "photo 3: zipper pull brand stamp not visible - need close-up"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: green ostrich\/croc-embossed coated material, not vintage Coach smooth glove-tanned cowhide",
                    "photo 4: brown striped polyester fabric lining, fully lined - vintage classics are unlined suede-back",
                    "photo 1, photo 3: silver-tone top zip closure, no solid brass turnlock or brass hardware",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
                    "photo 5: silver-tone base studs and smooth green base trim, not vintage Coach brass feet construction",
                    "photo 1, photo 2, photo 6: dome zip satchel silhouette with fixed top handles does not match any classic Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone top zip with metal teeth visible photo 1, photo 3; four silver-tone dome base studs photo 5; no brass, no turnlock, no branded pulls visible",
                    "leather_description": "green embossed material with ostrich-dot and croc-center pattern photo 1, photo 2; smooth trim and handles; appears coated\/embossed, not glove-tanned full-grain",
                    "lining_description": "photo 4: brown\/tan striped synthetic fabric lining with interior zip pocket and slip pocket; small white fabric tag but illegible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge stitching around handle tabs and base photo 5, photo 6; even but no detail to indicate Coach; not_visible in close-up",
                    "strap_construction": "two fixed short top handles sewn to body with teardrop tabs photo 1, photo 2; no detachable strap, no buckle, no dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos to decode for style or era",
                    "Silhouette is zip-top dome satchel with embossed exotic print and fabric lining - inconsistent with 1970s-1990s glove-tanned unlined brass-turnlock Coach classics",
                    "Condition: Very Good to Excellent; exterior embossing intact photo 1-2, base clean photo 5, interior appears clean photo 4, handles intact"
                ],
                "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": 33101,
            "output_tokens": 766,
            "total_tokens": 33867,
            "estimated_cost_usd": 0.015079
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35571,
            "output_tokens": 1160,
            "total_tokens": 36731,
            "estimated_cost_usd": 0.008042
        }
    ]
}