Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.085,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.82,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: visible handbag has a bold red, white, and navy striped exterior with no visible Coach wordmark, carriage, creed patch, or signature-C pattern.",
        "photo 1: construction appears fashion-oriented with smooth coated or synthetic-looking panels rather than identifiable vintage glove-tanned leather.",
        "photo 3: bright silver-tone conical feet are inconsistent with the solid brass hardware typical of many classic vintage Coach styles.",
        "photo 1 and photo 4: long fixed shoulder straps and zip-top tote silhouette do not closely match a recognizable classic Coach model.",
        "photo 2: rear panel has no visible Coach branding or leather hangtag.",
        "photo 1: no COACH wordmark, horse-and-carriage, or creed visible on exterior",
        "photo 1, photo 2: no turnlock present; zip-top closure with no brass turnlock geometry",
        "photo 1-4: no leather hangtag or bead chain visible",
        "photo 1, photo 3: red\/white\/navy flag-stripe panel design with silver-tone base feet; not a catalog Coach silhouette, no brass hardware, no glove-tanned unlined construction visible",
        "photo 1-4: interior, lining, creed patch, and zipper brand never shown so no hard Coach identifier"
    ],
    "missing_information": [
        "photo 1-4: interior is not shown; request a clear photo of the lining, interior pockets, and any sewn-in labels.",
        "photo 1-4: zipper pull and hardware markings are not shown close enough to inspect.",
        "photo 1-4: no close-up of any interior brand label, creed patch, or serial\/style tag.",
        "photo 1-4: material composition and seller-stated condition, dimensions, and odor are not provided.",
        "photo 1-4: interior not shown - lining, pockets, creed patch, fabric tags unknown",
        "photo 1-4: creed close-up not shown",
        "photo 1-4: zipper pull brand stamp and hardware engravings not shown",
        "photo 1-4: hangtag \/ wordmark close-up not shown"
    ],
    "authenticity_concerns": [
        "photo 1-4: no Coach identifiers are visible, while the striped fashion-tote design and apparent synthetic\/coated finish are more consistent with a generic contemporary bag.",
        "photo 3: silver-tone pointed feet and overall hardware treatment do not support a vintage Coach attribution."
    ],
    "possible_model_reasoning": [
        "photo 1 and photo 4: this is a conventional zip-top shoulder tote, but its silhouette and striped color-block design do not provide a credible match to a listed Coach model.",
        "photo 1-4: no identifier supports dating; the clean coated-looking construction and silver-tone feet suggest modern (2000s+) production rather than a vintage Coach classic.",
        "Condition: approximately Very Good based on the visible exterior, with minor apparent handling marks; interior, zipper function, odor, and hidden wear are unknown.",
        "No Coach identifier visible in any photo - no creed, wordmark, hangtag, brass turnlock or Talon\/YKK stamp to decode for era or style",
        "Silhouette is a narrow zip-top double-strap shoulder bag ~11 in long per tape in photo 3 and photo 4; does not match City Bag, Willis, Court, Station, Duffle Sac or other classic catalog shapes; flag color-block is not a Coach classic colorway",
        "Construction cues point away from vintage Coach: silver-tone feet, no solid brass hardware, no unlined suede interior shown, thin strap construction",
        "Condition: Very Good to Excellent exterior; panels clean, corners intact, straps uncracked in photo 1-4, but interior and bottom wear unknown 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 3: four visible silver-tone pointed protective feet; no turnlock or branded hardware is visible.",
        "leather_description": "photo 1-4: smooth, uniform red, white, and navy panels with a coated or synthetic appearance; natural leather grain is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-4: two long fixed navy shoulder straps, apparently stitched into rectangular reinforced tabs; no buckles or detachable clips visible.",
        "stitching_description": "photo 1-4: visible stitching is generally straight and evenly spaced, with contrasting red thread around the striped panels; construction alone is not brand-specific."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "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": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: visible handbag has a bold red, white, and navy striped exterior with no visible Coach wordmark, carriage, creed patch, or signature-C pattern.",
                    "photo 1: construction appears fashion-oriented with smooth coated or synthetic-looking panels rather than identifiable vintage glove-tanned leather.",
                    "photo 3: bright silver-tone conical feet are inconsistent with the solid brass hardware typical of many classic vintage Coach styles.",
                    "photo 1 and photo 4: long fixed shoulder straps and zip-top tote silhouette do not closely match a recognizable classic Coach model.",
                    "photo 2: rear panel has no visible Coach branding or leather hangtag."
                ],
                "missing_information": [
                    "photo 1-4: interior is not shown; request a clear photo of the lining, interior pockets, and any sewn-in labels.",
                    "photo 1-4: zipper pull and hardware markings are not shown close enough to inspect.",
                    "photo 1-4: no close-up of any interior brand label, creed patch, or serial\/style tag.",
                    "photo 1-4: material composition and seller-stated condition, dimensions, and odor are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1-4: no Coach identifiers are visible, while the striped fashion-tote design and apparent synthetic\/coated finish are more consistent with a generic contemporary bag.",
                    "photo 3: silver-tone pointed feet and overall hardware treatment do not support a vintage Coach attribution."
                ],
                "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: four visible silver-tone pointed protective feet; no turnlock or branded hardware is visible.",
                    "leather_description": "photo 1-4: smooth, uniform red, white, and navy panels with a coated or synthetic appearance; natural leather grain is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-4: two long fixed navy shoulder straps, apparently stitched into rectangular reinforced tabs; no buckles or detachable clips visible.",
                    "stitching_description": "photo 1-4: visible stitching is generally straight and evenly spaced, with contrasting red thread around the striped panels; construction alone is not brand-specific."
                },
                "possible_model_reasoning": [
                    "photo 1 and photo 4: this is a conventional zip-top shoulder tote, but its silhouette and striped color-block design do not provide a credible match to a listed Coach model.",
                    "photo 1-4: no identifier supports dating; the clean coated-looking construction and silver-tone feet suggest modern (2000s+) production rather than a vintage Coach classic.",
                    "Condition: approximately Very Good based on the visible exterior, with minor apparent handling marks; interior, zipper function, odor, and hidden wear are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "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": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-4: interior not shown - lining, pockets, creed patch, fabric tags unknown",
                    "photo 1-4: creed close-up not shown",
                    "photo 1-4: zipper pull brand stamp and hardware engravings not shown",
                    "photo 1-4: hangtag \/ wordmark close-up not shown"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, or creed visible on exterior",
                    "photo 1, photo 2: no turnlock present; zip-top closure with no brass turnlock geometry",
                    "photo 1-4: no leather hangtag or bead chain visible",
                    "photo 1, photo 3: red\/white\/navy flag-stripe panel design with silver-tone base feet; not a catalog Coach silhouette, no brass hardware, no glove-tanned unlined construction visible",
                    "photo 1-4: interior, lining, creed patch, and zipper brand never shown so no hard Coach identifier"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone cone feet visible on bottom in photo 3; zipper pull with navy leather tab in photo 1; no solid brass turnlock, buckle, D-ring or dogleash hardware visible",
                    "leather_description": "smooth finished panels in navy, red and off-white in flag-stripe layout; sheen looks like coated leather or synthetic, not matte glove-tanned cowhide; texture not close enough to confirm grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible straight seam stitching with red contrast thread around panels and strap slots in photo 1; even but not diagnostic of Coach",
                    "strap_construction": "two fixed narrow navy shoulder straps inserted into slotted top edge in photo 1 and photo 2; no buckle adjustment, no brass clips, no dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo - no creed, wordmark, hangtag, brass turnlock or Talon\/YKK stamp to decode for era or style",
                    "Silhouette is a narrow zip-top double-strap shoulder bag ~11 in long per tape in photo 3 and photo 4; does not match City Bag, Willis, Court, Station, Duffle Sac or other classic catalog shapes; flag color-block is not a Coach classic colorway",
                    "Construction cues point away from vintage Coach: silver-tone feet, no solid brass hardware, no unlined suede interior shown, thin strap construction",
                    "Condition: Very Good to Excellent exterior; panels clean, corners intact, straps uncracked in photo 1-4, but interior and bottom wear unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23386,
            "output_tokens": 744,
            "total_tokens": 24130,
            "estimated_cost_usd": 0.01114
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24399,
            "output_tokens": 1332,
            "total_tokens": 25731,
            "estimated_cost_usd": 0.005945
        }
    ]
}