Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.095,
    "vintage_probability": 0.44,
    "authenticity_confidence": 0.075,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.78,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-looking brown crossbody handbag with a vintage-inspired flap silhouette.",
        "photo 2: Adjustable crossbody strap and leather construction are visible.",
        "photo 1-4: leather flap crossbody handbag with brass-tone hardware in vintage cognac tone",
        "photo 6: suede-back flap underside consistent with older leather bag construction",
        "photo 1-4: overall soft patinated leather look compatible with 1970s-1980s era bag"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 1: The flap uses a small shiny oval snap rather than a recognizable Coach turnlock.",
        "photo 6: Interior is fabric-lined with multiple compartments and shiny oval snap components, unlike the typical unlined glove-tanned construction of many 1970s Coach classics.",
        "photos 1 and 4: Decorative scalloped flap stitching and overall construction do not closely match the listed Coach Saddle Bag construction.",
        "photos 2-5: Hardware appears bright plated metal rather than the substantial, restrained solid-brass hardware expected on many 1970s Coach bags.",
        "photo 6: Visible zipper and lining provide no Coach-specific identification.",
        "photo 5: interior is lined with olive-green satin fabric and zip pocket, not unlined suede-back glove-tanned as 1970s-1990s Coach classics would be",
        "photo 1, photo 2: flap has decorative double wavy stitched applique detail not seen on Coach City Bag \/ Court \/ Station catalog styles",
        "photo 6: closure uses plain oval brass-tone plates, not Coach turnlock geometry with wide thin oval back plate and slim rounded tab",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible anywhere"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket for any hidden brand label or creed.",
        "Close-up of the zipper pull, snap hardware, and any interior or sewn-in fabric labels.",
        "Bottom, corner, and strap-anchor close-ups to assess construction and maker marks.",
        "Seller-stated dimensions and country-of-origin information.",
        "photo of interior back wall \/ slip pocket straight-on for creed patch check (photo 5 shows interior but no creed visible)",
        "close-up of turnlock front and back plates and any hardware stamps",
        "close-up of zipper pull brand mark",
        "bottom and corner close-ups for condition grading",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in the provided photos.",
        "The fabric lining, oval snap hardware, and decorative construction are inconsistent with the typical 1970s Coach Saddle Bag reference profile.",
        "The listing title's 1970s dating is seller-stated and is not established by a visible Coach identifier."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible construction and lack of identifiers make a Coach attribution unlikely.",
        "The silhouette is a generic vintage-inspired saddle\/crossbody design; silhouette alone is not sufficient to identify it as a Coach Saddle Bag.",
        "Condition: Good; visible creasing, surface marks, and wear at the flap and edges (photos 1-5), with interior condition only partly shown (photo 6).",
        "Flap + turnlock crossbody silhouette recalls Coach Court (9870) \/ City Bag (9790) \/ Station (5130) in size, but decorative wavy flap stitching, lined satin interior, and oval lock plates do not match any Coach catalog style",
        "No creed, wordmark, hangtag or style number visible to support a Coach model attribution",
        "Condition: Very Good to Good; leather shows patina and light marks on flap (photo 1, photo 2), corners appear intact but no bottom close-up, interior not fully emptied so lining condition unknown"
    ],
    "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": "photos 1 and 6: Small shiny oval snap closures and small bright metal strap hardware are visible; no recognizable Coach turnlock or branded engraving is visible.",
        "leather_description": "photos 1-5: Brown leather-looking material with a smooth, slightly glossy surface and visible creasing; exact leather type cannot be confirmed.",
        "lining_description": "photo 6: Fabric-lined interior with dark and olive-toned compartments and a visible zipper pocket.",
        "strap_construction": "photos 2-5: Adjustable narrow leather-looking crossbody strap attached through leather tabs and small buckles\/rings.",
        "stitching_description": "photos 1-5: Generally even machine stitching with prominent decorative curved stitching on the flap; some edge and strap-area wear is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0074,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-looking brown crossbody handbag with a vintage-inspired flap silhouette.",
                    "photo 2: Adjustable crossbody strap and leather construction are visible."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 1: The flap uses a small shiny oval snap rather than a recognizable Coach turnlock.",
                    "photo 6: Interior is fabric-lined with multiple compartments and shiny oval snap components, unlike the typical unlined glove-tanned construction of many 1970s Coach classics.",
                    "photos 1 and 4: Decorative scalloped flap stitching and overall construction do not closely match the listed Coach Saddle Bag construction.",
                    "photos 2-5: Hardware appears bright plated metal rather than the substantial, restrained solid-brass hardware expected on many 1970s Coach bags.",
                    "photo 6: Visible zipper and lining provide no Coach-specific identification."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket for any hidden brand label or creed.",
                    "Close-up of the zipper pull, snap hardware, and any interior or sewn-in fabric labels.",
                    "Bottom, corner, and strap-anchor close-ups to assess construction and maker marks.",
                    "Seller-stated dimensions and country-of-origin information."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in the provided photos.",
                    "The fabric lining, oval snap hardware, and decorative construction are inconsistent with the typical 1970s Coach Saddle Bag reference profile.",
                    "The listing title's 1970s dating is seller-stated and is not established by a visible Coach identifier."
                ],
                "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": "photos 1 and 6: Small shiny oval snap closures and small bright metal strap hardware are visible; no recognizable Coach turnlock or branded engraving is visible.",
                    "leather_description": "photos 1-5: Brown leather-looking material with a smooth, slightly glossy surface and visible creasing; exact leather type cannot be confirmed.",
                    "lining_description": "photo 6: Fabric-lined interior with dark and olive-toned compartments and a visible zipper pocket.",
                    "strap_construction": "photos 2-5: Adjustable narrow leather-looking crossbody strap attached through leather tabs and small buckles\/rings.",
                    "stitching_description": "photos 1-5: Generally even machine stitching with prominent decorative curved stitching on the flap; some edge and strap-area wear is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the visible construction and lack of identifiers make a Coach attribution unlikely.",
                    "The silhouette is a generic vintage-inspired saddle\/crossbody design; silhouette alone is not sufficient to identify it as a Coach Saddle Bag.",
                    "Condition: Good; visible creasing, surface marks, and wear at the flap and edges (photos 1-5), with interior condition only partly shown (photo 6)."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.12,
                "coach_probability": 0.15,
                "confidence": 0.68,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on for creed patch check (photo 5 shows interior but no creed visible)",
                    "close-up of turnlock front and back plates and any hardware stamps",
                    "close-up of zipper pull brand mark",
                    "bottom and corner close-ups for condition grading",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 5: interior is lined with olive-green satin fabric and zip pocket, not unlined suede-back glove-tanned as 1970s-1990s Coach classics would be",
                    "photo 1, photo 2: flap has decorative double wavy stitched applique detail not seen on Coach City Bag \/ Court \/ Station catalog styles",
                    "photo 6: closure uses plain oval brass-tone plates, not Coach turnlock geometry with wide thin oval back plate and slim rounded tab",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible anywhere"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone hardware; oval turnlock receiver plates visible in photo 5 and photo 6, small brass buckle on adjustable strap; tone consistent but geometry is plain oval, not classic Coach turnlock",
                    "leather_description": "cognac \/ medium brown smooth leather with soft patina and light scuffing, suede-like underside of flap visible in photo 6",
                    "lining_description": "photo 5: olive-green satin-like fabric lining with metal zip pocket; flap underside is brown suede; not unlined glove-tanned",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching around flap and body; decorative double wavy stitch lines across flap front",
                    "strap_construction": "thin flat adjustable crossbody strap with brass-tone buckle, looped through short rolled body tabs",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-4: leather flap crossbody handbag with brass-tone hardware in vintage cognac tone",
                    "photo 6: suede-back flap underside consistent with older leather bag construction",
                    "photo 1-4: overall soft patinated leather look compatible with 1970s-1980s era bag"
                ],
                "possible_model_reasoning": [
                    "Flap + turnlock crossbody silhouette recalls Coach Court (9870) \/ City Bag (9790) \/ Station (5130) in size, but decorative wavy flap stitching, lined satin interior, and oval lock plates do not match any Coach catalog style",
                    "No creed, wordmark, hangtag or style number visible to support a Coach model attribution",
                    "Condition: Very Good to Good; leather shows patina and light marks on flap (photo 1, photo 2), corners appear intact but no bottom close-up, interior not fully emptied so lining condition unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.15,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28776,
            "output_tokens": 833,
            "total_tokens": 29609,
            "estimated_cost_usd": 0.01351
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30089,
            "output_tokens": 1585,
            "total_tokens": 31674,
            "estimated_cost_usd": 0.007286
        }
    ]
}