Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.795,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small leather crossbody handbag with a long shoulder strap.",
        "photo 2: The bag appears to use substantial leather with generally neat, even perimeter stitching.",
        "photo 6: Interior and flap views show a practical crossbody construction, but no brand identifier.",
        "photo 1: small leather flap crossbody satchel in tan leather with vintage patina consistent with 90s boho style",
        "photo 5-6: unlined-appearing leather construction with interior slip pocket under flap"
    ],
    "negative_evidence": [
        "photo 1: Woven leather front, rounded flap, and snap closure do not match a recognizable vintage Coach classic silhouette.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, turnlock, or Coach hangtag.",
        "photo 5: The closure is a plain silver-tone snap rather than the solid-brass turnlock commonly associated with vintage Coach classics.",
        "photo 6: Interior views show no visible creed patch, serial\/style number, or Coach fabric tag.",
        "photo 6: The construction appears generic and lacks the identifiers needed to support Coach attribution.",
        "photo 3: Strap edges appear worn and the leather has visible surface marks, consistent with a used generic leather bag.",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 5-6: closure is silver-tone magnetic snap, not solid brass Coach turnlock geometry",
        "photo 1-2: woven basket-weave front panel with thin sewn-on strap - no match in Coach classic catalog silhouettes",
        "photo 3: thin flat leather strap sewn directly to body, no brass dogleash clips, buckle slide, or dowel handle",
        "photo 1-6: no leather hangtag, no bead chain, no brass hardware anywhere"
    ],
    "missing_information": [
        "photo 6: A straight-on close-up of every interior wall, pocket, and seam would confirm that no small brand label or creed is hidden.",
        "photo 1: Seller-stated dimensions and a scale reference are absent.",
        "photo 1: Bottom, side, and hardware close-ups are limited.",
        "photo 6: Zipper, snap, and any interior hardware markings are not shown in dedicated close-up photographs.",
        "interior back wall \/ slip pocket creed close-up in raking light to confirm no creed patch",
        "photo of bottom and back exterior and all corners",
        "hardware stamps \/ Made-in mark if any",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "photo 1: The bag has a generic woven-leather design and plain snap closure without Coach-specific branding; it should not be treated as a Coach model based on appearance alone.",
        "photo 6: No creed or serial is visible in the provided interior views, leaving no Coach identifier to evaluate."
    ],
    "possible_model_reasoning": [
        "photo 1-6: No Coach catalog model is a strong match; the woven front and plain snap closure are more consistent with a generic artisan or boho leather crossbody.",
        "photo 6: No visible creed, serial, wordmark, hangtag, or Coach-specific hardware prevents a Coach model or era identification.",
        "photo 1-6: Condition appears Good rather than Excellent because of surface scratches, ink-like marks, edge wear, and strap wear; odor, mold, and hidden structural issues cannot be assessed.",
        "No Coach model fits: no turnlock, no brass, woven panel and magnetic snap and sewn thin strap inconsistent with City Bag 9790, Dinky 9375, Pocket Purse 9755 or other classics",
        "No serial\/creed to decode; era cannot be Coach-dated from construction",
        "Condition: Good; photo 5-6 show surface scratches and dark ink-like marks on flap underside and front body, light edge wear photo 4, strap intact but thin"
    ],
    "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 5-6: Plain silver-tone circular snap closures are visible; no branded hardware is visible.",
        "leather_description": "photo 1-5: Brown\/tan leather crossbody with a woven rectangular front panel, smooth leather flap and base, visible scratches, ink-like marks, and surface wear.",
        "lining_description": "photo 6: The interior appears leather or leather-like and is visible, but no textile lining or detailed material construction can be confirmed.",
        "strap_construction": "photo 1, photo 3: Long narrow adjustable-looking leather shoulder strap attached at the upper sides; edges show wear and darkening.",
        "stitching_description": "photo 2-6: Perimeter stitching is generally straight and evenly spaced, with some visible wear and darkening near edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small leather crossbody handbag with a long shoulder strap.",
                    "photo 2: The bag appears to use substantial leather with generally neat, even perimeter stitching.",
                    "photo 6: Interior and flap views show a practical crossbody construction, but no brand identifier."
                ],
                "negative_evidence": [
                    "photo 1: Woven leather front, rounded flap, and snap closure do not match a recognizable vintage Coach classic silhouette.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, turnlock, or Coach hangtag.",
                    "photo 5: The closure is a plain silver-tone snap rather than the solid-brass turnlock commonly associated with vintage Coach classics.",
                    "photo 6: Interior views show no visible creed patch, serial\/style number, or Coach fabric tag.",
                    "photo 6: The construction appears generic and lacks the identifiers needed to support Coach attribution.",
                    "photo 3: Strap edges appear worn and the leather has visible surface marks, consistent with a used generic leather bag."
                ],
                "missing_information": [
                    "photo 6: A straight-on close-up of every interior wall, pocket, and seam would confirm that no small brand label or creed is hidden.",
                    "photo 1: Seller-stated dimensions and a scale reference are absent.",
                    "photo 1: Bottom, side, and hardware close-ups are limited.",
                    "photo 6: Zipper, snap, and any interior hardware markings are not shown in dedicated close-up photographs."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag has a generic woven-leather design and plain snap closure without Coach-specific branding; it should not be treated as a Coach model based on appearance alone.",
                    "photo 6: No creed or serial is visible in the provided interior views, leaving no Coach identifier to evaluate."
                ],
                "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 5-6: Plain silver-tone circular snap closures are visible; no branded hardware is visible.",
                    "leather_description": "photo 1-5: Brown\/tan leather crossbody with a woven rectangular front panel, smooth leather flap and base, visible scratches, ink-like marks, and surface wear.",
                    "lining_description": "photo 6: The interior appears leather or leather-like and is visible, but no textile lining or detailed material construction can be confirmed.",
                    "strap_construction": "photo 1, photo 3: Long narrow adjustable-looking leather shoulder strap attached at the upper sides; edges show wear and darkening.",
                    "stitching_description": "photo 2-6: Perimeter stitching is generally straight and evenly spaced, with some visible wear and darkening near edges."
                },
                "possible_model_reasoning": [
                    "photo 1-6: No Coach catalog model is a strong match; the woven front and plain snap closure are more consistent with a generic artisan or boho leather crossbody.",
                    "photo 6: No visible creed, serial, wordmark, hangtag, or Coach-specific hardware prevents a Coach model or era identification.",
                    "photo 1-6: Condition appears Good rather than Excellent because of surface scratches, ink-like marks, edge wear, and strap wear; odor, mold, and hidden structural issues cannot be assessed."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.04,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior back wall \/ slip pocket creed close-up in raking light to confirm no creed patch",
                    "photo of bottom and back exterior and all corners",
                    "hardware stamps \/ Made-in mark if any",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 5-6: closure is silver-tone magnetic snap, not solid brass Coach turnlock geometry",
                    "photo 1-2: woven basket-weave front panel with thin sewn-on strap - no match in Coach classic catalog silhouettes",
                    "photo 3: thin flat leather strap sewn directly to body, no brass dogleash clips, buckle slide, or dowel handle",
                    "photo 1-6: no leather hangtag, no bead chain, no brass hardware anywhere"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap pair visible photo 5-6; no brass turnlock, buckles, D-rings or zipper visible",
                    "leather_description": "tan \/ British-tan-like smooth leather with patina and scratches, plus central woven leather strip panel on flap front photo 1-2; appears genuine leather but not glove-tanned Coach texture",
                    "lining_description": "not_visible - only leather underside of flap and leather front body under flap shown photo 5-6, no fabric lining or suede interior shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even light-tone edge stitching around flap and body visible photo 2-4, no mismatched thread but no Coach-specific detail",
                    "strap_construction": "thin flat non-adjustable leather crossbody strap sewn to sides, suede-like back, no buckle or clips visible photo 1,3",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: small leather flap crossbody satchel in tan leather with vintage patina consistent with 90s boho style",
                    "photo 5-6: unlined-appearing leather construction with interior slip pocket under flap"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no turnlock, no brass, woven panel and magnetic snap and sewn thin strap inconsistent with City Bag 9790, Dinky 9375, Pocket Purse 9755 or other classics",
                    "No serial\/creed to decode; era cannot be Coach-dated from construction",
                    "Condition: Good; photo 5-6 show surface scratches and dark ink-like marks on flap underside and front body, light edge wear photo 4, strap intact but thin"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28782,
            "output_tokens": 857,
            "total_tokens": 29639,
            "estimated_cost_usd": 0.01357
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30095,
            "output_tokens": 1459,
            "total_tokens": 31554,
            "estimated_cost_usd": 0.007186
        }
    ]
}