Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.515,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.79,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: structured tote handbag with dual handles, top zipper, and removable-strap attachment points.",
        "photo 3: seller-described multi-compartment interior is partially visible."
    ],
    "negative_evidence": [
        "photo 1: shiny silver-tone hardware, decorative handle rings, and blue edge piping do not resemble classic vintage Coach construction.",
        "photo 3: dark printed fabric lining is visible; this is inconsistent with many classic unlined glove-tanned Coach styles.",
        "photo 4: interior zipper and lining appear synthetic and heavily patterned rather than a visible Coach creed-backed interior.",
        "photo 1: no legible COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier is visible.",
        "listing text: seller explicitly describes the material as vegan and identifies the brand as unknown; this is weak text evidence, but vegan material would weigh strongly against Coach vintage leather.",
        "photo 1, photo 2, photo 5, photo 6: smooth tan vegan \/ faux leather body with painted edges, not glove-tanned cowhide",
        "photo 1, photo 2, photo 6: bright silver-tone plated hardware with rectangular plate mounts, not solid brass vintage hardware",
        "photo 3, photo 4: dark brown printed polyester lining with central zip and slip pockets, not unlined suede interior",
        "photo 1, photo 2, photo 6: zip-top dual-handle tote silhouette with base feet and back zip pocket, no turnlock, no catalog Coach match",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible"
    ],
    "missing_information": [
        "photo 1\/2\/3\/4: no straight-on, close-up photo of any interior leather creed patch or fabric brand tag.",
        "photo 2\/3: zipper pulls and hardware markings are not sufficiently clear to identify a maker.",
        "photo 5: material label or composition tag is not shown.",
        "photo 1\/2: full removable shoulder strap and attachment hardware are not clearly shown.",
        "photo 3, photo 4: interior lining brand print too blurry to read - need straight-on in-focus photo of any label",
        "photo 1, photo 2, photo 6: no creed patch visible - need emptied interior back wall \/ slip pocket close-up",
        "photo 1, photo 2, photo 6: no COACH wordmark, hangtag, or horse-and-carriage visible - need hardware stamp close-ups"
    ],
    "authenticity_concerns": [
        "photo 1: the bag has generic modern tote construction and does not display identifiers expected for a Coach attribution.",
        "photo 3\/4: patterned synthetic-looking lining and bright plated hardware are inconsistent with a classic vintage Coach identification.",
        "listing text: the seller's vegan-material description, if accurate, would make this a non-leather lookalike rather than Coach vintage."
    ],
    "possible_model_reasoning": [
        "The structured zip-top tote silhouette is not a close match for the listed classic vintage Coach catalog models, which more commonly use glove-tanned leather, brass hardware, and identifiable creeds.",
        "The bright plated hardware, patterned lining, and seller-described vegan construction point toward a modern unbranded tote rather than a vintage Coach model.",
        "Condition: Good; light wear and a small visible mark are present (photo 5), while the interior and lower corners are incompletely documented.",
        "No Coach model fits: zip-top vegan tote with silver hardware and printed poly lining is inconsistent with 1970s-1990s glove-tanned brass-hardware classics and with 2000s Coach construction",
        "Seller explicitly states vegan \/ unbranded, consistent with photos - no Coach identifier to decode, no era to assign",
        "Condition: Good; photo 5 shows small dark spot and light scuffing on front panel, photos otherwise show intact shape but blur limits grading, lining and bottom not clearly shown"
    ],
    "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\/2\/6: bright silver-tone plated-looking hardware, rectangular handle mounts, decorative rings, zipper hardware, and small metal feet are visible; no Coach engraving is legible.",
        "leather_description": "photo 1\/5\/6: smooth tan surface is visible, but the seller describes it as vegan; material cannot be independently confirmed from photos.",
        "lining_description": "photo 3\/4: dark brown patterned synthetic-looking lining with multiple zip compartments and slip-pocket areas is visible.",
        "strap_construction": "photo 1\/2: dual fixed handles are visible; removable shoulder strap is seller-described but not clearly shown in the photos.",
        "stitching_description": "photo 1\/5\/6: generally straight machine stitching and contrasting dark\/blue edge piping are visible; close-up quality is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.68,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: structured tote handbag with dual handles, top zipper, and removable-strap attachment points.",
                    "photo 3: seller-described multi-compartment interior is partially visible."
                ],
                "negative_evidence": [
                    "photo 1: shiny silver-tone hardware, decorative handle rings, and blue edge piping do not resemble classic vintage Coach construction.",
                    "photo 3: dark printed fabric lining is visible; this is inconsistent with many classic unlined glove-tanned Coach styles.",
                    "photo 4: interior zipper and lining appear synthetic and heavily patterned rather than a visible Coach creed-backed interior.",
                    "photo 1: no legible COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier is visible.",
                    "listing text: seller explicitly describes the material as vegan and identifies the brand as unknown; this is weak text evidence, but vegan material would weigh strongly against Coach vintage leather."
                ],
                "missing_information": [
                    "photo 1\/2\/3\/4: no straight-on, close-up photo of any interior leather creed patch or fabric brand tag.",
                    "photo 2\/3: zipper pulls and hardware markings are not sufficiently clear to identify a maker.",
                    "photo 5: material label or composition tag is not shown.",
                    "photo 1\/2: full removable shoulder strap and attachment hardware are not clearly shown."
                ],
                "authenticity_concerns": [
                    "photo 1: the bag has generic modern tote construction and does not display identifiers expected for a Coach attribution.",
                    "photo 3\/4: patterned synthetic-looking lining and bright plated hardware are inconsistent with a classic vintage Coach identification.",
                    "listing text: the seller's vegan-material description, if accurate, would make this a non-leather lookalike rather than Coach vintage."
                ],
                "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\/2\/6: bright silver-tone plated-looking hardware, rectangular handle mounts, decorative rings, zipper hardware, and small metal feet are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1\/5\/6: smooth tan surface is visible, but the seller describes it as vegan; material cannot be independently confirmed from photos.",
                    "lining_description": "photo 3\/4: dark brown patterned synthetic-looking lining with multiple zip compartments and slip-pocket areas is visible.",
                    "strap_construction": "photo 1\/2: dual fixed handles are visible; removable shoulder strap is seller-described but not clearly shown in the photos.",
                    "stitching_description": "photo 1\/5\/6: generally straight machine stitching and contrasting dark\/blue edge piping are visible; close-up quality is limited."
                },
                "possible_model_reasoning": [
                    "The structured zip-top tote silhouette is not a close match for the listed classic vintage Coach catalog models, which more commonly use glove-tanned leather, brass hardware, and identifiable creeds.",
                    "The bright plated hardware, patterned lining, and seller-described vegan construction point toward a modern unbranded tote rather than a vintage Coach model.",
                    "Condition: Good; light wear and a small visible mark are present (photo 5), while the interior and lower corners are incompletely documented."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 3, photo 4: interior lining brand print too blurry to read - need straight-on in-focus photo of any label",
                    "photo 1, photo 2, photo 6: no creed patch visible - need emptied interior back wall \/ slip pocket close-up",
                    "photo 1, photo 2, photo 6: no COACH wordmark, hangtag, or horse-and-carriage visible - need hardware stamp close-ups"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 5, photo 6: smooth tan vegan \/ faux leather body with painted edges, not glove-tanned cowhide",
                    "photo 1, photo 2, photo 6: bright silver-tone plated hardware with rectangular plate mounts, not solid brass vintage hardware",
                    "photo 3, photo 4: dark brown printed polyester lining with central zip and slip pockets, not unlined suede interior",
                    "photo 1, photo 2, photo 6: zip-top dual-handle tote silhouette with base feet and back zip pocket, no turnlock, no catalog Coach match",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright silver-tone plated hardware, rectangular handle plates with D-rings, zip closures, base feet; hollow\/plated look, not solid brass",
                    "leather_description": "smooth tan vegan \/ faux leather with uniform surface and dark painted edges, not glove-tanned full-grain cowhide",
                    "lining_description": "dark brown printed polyester fabric lining with central zip compartment visible in photo 3 and photo 4, blurry",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible but blurry in photos; appears straight perimeter stitching, detail not_visible due to focus",
                    "strap_construction": "dual short top handles with metal mounts plus removable adjustable shoulder strap per seller text",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top vegan tote with silver hardware and printed poly lining is inconsistent with 1970s-1990s glove-tanned brass-hardware classics and with 2000s Coach construction",
                    "Seller explicitly states vegan \/ unbranded, consistent with photos - no Coach identifier to decode, no era to assign",
                    "Condition: Good; photo 5 shows small dark spot and light scuffing on front panel, photos otherwise show intact shape but blur limits grading, lining and bottom not clearly shown"
                ],
                "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": 17782,
            "output_tokens": 770,
            "total_tokens": 18552,
            "estimated_cost_usd": 0.008961
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18122,
            "output_tokens": 1286,
            "total_tokens": 19408,
            "estimated_cost_usd": 0.004653
        }
    ]
}