Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.035,
    "vintage_probability": 0.08,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.815,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a large leather handbag with two shoulder handles.",
        "photo 1: the bag has substantial leather construction and woven detailing, but no Coach-specific identifier is visible.",
        "photo 1, photo 2: large genuine leather handbag with patina consistent with real leather"
    ],
    "negative_evidence": [
        "photo 1: prominent woven lower body and braided handles do not match the classic Coach glove-tanned leather silhouettes shown in the reference catalog.",
        "photo 1: silver-tone grommets are visible; this is not the typical solid-brass hardware associated with many vintage Coach classics.",
        "photo 5: fabric-lined interior is visible, with no Coach creed patch, wordmark, or horse-and-carriage visible.",
        "photo 5: zipper and lining appear modern rather than characteristic of an unlined vintage Coach classic.",
        "photo 1: the unusually elaborate braided construction and decorative woven panels are more consistent with a generic or other-brand leather bag.",
        "photo 1, photo 2: woven intrecciato-style lower body with braided handles through large grommets - silhouette never used in Coach classic catalog",
        "photo 1, photo 2, photo 5: silver-tone grommets and dark-tone zipper - vintage Coach classics use solid brass throughout",
        "photo 4: brown fabric lining throughout - vintage Coach classics are unlined suede-back glove-tanned",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1, photo 2, photo 5: no turnlock, no solid-brass buckles, dogleash clips or other Coach hardware"
    ],
    "missing_information": [
        "photo 5: a straight-on, fully emptied interior-wall photo is needed to confirm whether a small creed or brand label is hidden under the folds.",
        "photo 5: close-up photos of every interior pocket, seam tag, and zipper pull are needed.",
        "photo 1: close-up photos of all hardware and the underside of the handles could help identify another maker.",
        "seller-stated dimensions and any visible brand or country-of-origin markings are not provided.",
        "No creed patch visible in any photo - interior views show fabric lining with no stamped leather patch (photos 4, 5)",
        "No bottom \/ corner wear view shown",
        "No close-up of zipper pull brand stamp or hardware engraving",
        "No hangtag or wordmark close-up - none visible"
    ],
    "authenticity_concerns": [
        "No visible Coach identifier supports Coach manufacture; the bag should be treated as an unbranded or other-brand leather handbag.",
        "The fabric lining, silver-tone hardware, and decorative woven construction are inconsistent with the most recognizable vintage Coach classic construction, though the available photos do not prove a replica."
    ],
    "possible_model_reasoning": [
        "No Coach catalog model is a convincing match: the braided handles, woven lower body, large grommets, and fabric-lined multi-compartment construction are not characteristic of the listed vintage Coach classics.",
        "Era reasoning: no Coach identifier is visible; the synthetic-looking fabric lining, zipper construction, and decorative design suggest modern (2000s+) manufacture rather than a pre-2000 Coach classic.",
        "Condition: Good to Very Good; photos show creasing and handling wear but no obvious major tears or broken hardware. Interior cleanliness, odor, mold, and bottom wear are not fully assessable.",
        "No Coach model fits: woven body + braided grommet handles + fabric lining + silver hardware inconsistent with any 1970s-1990s glove-tanned classic or modern Coach line",
        "Condition: Good to Very Good; leather shows softening and light wear but no major tears visible (photos 1,2,5); bottom corners and strap fold points not shown 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": "photo 1 and photo 2: silver- or gunmetal-tone circular grommets at the handle openings; no Coach engraving is visible. photo 5: dark zipper hardware is visible.",
        "leather_description": "photo 1 and photo 2: caramel\/cognac-colored leather-looking exterior with a smooth upper section and extensive woven leather paneling; visible creasing and uneven surface texture.",
        "lining_description": "photo 5: brown fabric lining with internal compartments and zippered sections; no label or creed is legible.",
        "strap_construction": "photo 1 and photo 2: two long braided leather shoulder handles threaded through circular grommets; no detachable strap is visible.",
        "stitching_description": "photo 1 and photo 2: generally visible, fairly even stitching around the upper edges and woven-panel joins; some construction details are obscured by the braided trim."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a large leather handbag with two shoulder handles.",
                    "photo 1: the bag has substantial leather construction and woven detailing, but no Coach-specific identifier is visible."
                ],
                "negative_evidence": [
                    "photo 1: prominent woven lower body and braided handles do not match the classic Coach glove-tanned leather silhouettes shown in the reference catalog.",
                    "photo 1: silver-tone grommets are visible; this is not the typical solid-brass hardware associated with many vintage Coach classics.",
                    "photo 5: fabric-lined interior is visible, with no Coach creed patch, wordmark, or horse-and-carriage visible.",
                    "photo 5: zipper and lining appear modern rather than characteristic of an unlined vintage Coach classic.",
                    "photo 1: the unusually elaborate braided construction and decorative woven panels are more consistent with a generic or other-brand leather bag."
                ],
                "missing_information": [
                    "photo 5: a straight-on, fully emptied interior-wall photo is needed to confirm whether a small creed or brand label is hidden under the folds.",
                    "photo 5: close-up photos of every interior pocket, seam tag, and zipper pull are needed.",
                    "photo 1: close-up photos of all hardware and the underside of the handles could help identify another maker.",
                    "seller-stated dimensions and any visible brand or country-of-origin markings are not provided."
                ],
                "authenticity_concerns": [
                    "No visible Coach identifier supports Coach manufacture; the bag should be treated as an unbranded or other-brand leather handbag.",
                    "The fabric lining, silver-tone hardware, and decorative woven construction are inconsistent with the most recognizable vintage Coach classic construction, though the available photos do not prove a replica."
                ],
                "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 and photo 2: silver- or gunmetal-tone circular grommets at the handle openings; no Coach engraving is visible. photo 5: dark zipper hardware is visible.",
                    "leather_description": "photo 1 and photo 2: caramel\/cognac-colored leather-looking exterior with a smooth upper section and extensive woven leather paneling; visible creasing and uneven surface texture.",
                    "lining_description": "photo 5: brown fabric lining with internal compartments and zippered sections; no label or creed is legible.",
                    "strap_construction": "photo 1 and photo 2: two long braided leather shoulder handles threaded through circular grommets; no detachable strap is visible.",
                    "stitching_description": "photo 1 and photo 2: generally visible, fairly even stitching around the upper edges and woven-panel joins; some construction details are obscured by the braided trim."
                },
                "possible_model_reasoning": [
                    "No Coach catalog model is a convincing match: the braided handles, woven lower body, large grommets, and fabric-lined multi-compartment construction are not characteristic of the listed vintage Coach classics.",
                    "Era reasoning: no Coach identifier is visible; the synthetic-looking fabric lining, zipper construction, and decorative design suggest modern (2000s+) manufacture rather than a pre-2000 Coach classic.",
                    "Condition: Good to Very Good; photos show creasing and handling wear but no obvious major tears or broken hardware. Interior cleanliness, odor, mold, and bottom wear are not fully assessable."
                ],
                "confidence": 0.85,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible in any photo - interior views show fabric lining with no stamped leather patch (photos 4, 5)",
                    "No bottom \/ corner wear view shown",
                    "No close-up of zipper pull brand stamp or hardware engraving",
                    "No hangtag or wordmark close-up - none visible"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: woven intrecciato-style lower body with braided handles through large grommets - silhouette never used in Coach classic catalog",
                    "photo 1, photo 2, photo 5: silver-tone grommets and dark-tone zipper - vintage Coach classics use solid brass throughout",
                    "photo 4: brown fabric lining throughout - vintage Coach classics are unlined suede-back glove-tanned",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1, photo 2, photo 5: no turnlock, no solid-brass buckles, dogleash clips or other Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "large silver-tone grommets\/eyelets at handle attachments (photos 1,2), dark-tone coil zipper with leather pull tab (photos 4,5,6); no brass turnlock, no stamped pulls visible",
                    "leather_description": "caramel \/ tan soft leather upper with woven strip-woven lower body and thick braided leather handles (photos 1,2,3)",
                    "lining_description": "brown fabric lining visible in interior view (photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching at leather-to-woven seam and top edge (photos 1,2,5); no detailed stitch close-up",
                    "strap_construction": "two fixed braided leather shoulder straps threaded through grommets, not detachable or buckle-adjustable (photos 1,2,3,6)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: large genuine leather handbag with patina consistent with real leather"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: woven body + braided grommet handles + fabric lining + silver hardware inconsistent with any 1970s-1990s glove-tanned classic or modern Coach line",
                    "Condition: Good to Very Good; leather shows softening and light wear but no major tears visible (photos 1,2,5); bottom corners and strap fold points not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.08
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28199,
            "output_tokens": 891,
            "total_tokens": 29090,
            "estimated_cost_usd": 0.013418
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29484,
            "output_tokens": 1260,
            "total_tokens": 30744,
            "estimated_cost_usd": 0.006905
        }
    ]
}