Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.05,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.87,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: leather handbag with structured satchel\/tote silhouette and multiple zippers",
        "photo 4: leather-like exterior and metal hardware are visible"
    ],
    "negative_evidence": [
        "photo 1: prominent perforated\/pebbled exterior and contemporary multi-compartment construction do not resemble classic vintage Coach glove-tanned styles",
        "photo 3: hardware is bright mixed gold\/silver-tone rather than the consistent solid-brass hardware typical of many vintage Coach classics",
        "photo 6: interior is fully fabric-lined, with no visible traditional Coach creed patch",
        "photo 7: the small embossed leather label does not visibly show a legible COACH wordmark or horse-and-carriage",
        "photo 5: strap edge material is heavily frayed and appears bonded or layered rather than a clean vintage Coach strap construction",
        "listing title and seller brand identify the bag as unbranded; this is weak evidence but consistent with the absence of a clear Coach identifier",
        "photo 1,3,4: zip-top satchel with riveted double handles and front zip pocket - no catalog Coach silhouette, no turnlock",
        "photo 5: fully lined with dark brown polyester fabric, not unlined glove-tanned suede",
        "photo 3,4: bright gold-tone plated zippers, textured rivets and D-rings, not solid brass vintage hardware",
        "photo 5,6: no creed patch, no COACH wordmark, no horse-and-carriage visible in any view",
        "photo 6: interior leather label embossed with non-Coach script reading like 'mia' - different brand identifier"
    ],
    "missing_information": [
        "Straight-on close-up of the interior label\/patch with all embossing legible",
        "Full exterior back, bottom, and both side views",
        "Close-ups of every zipper pull and hardware stamp",
        "Seller-stated dimensions and material confirmation",
        "Photos showing the complete detachable strap and attachment points",
        "photo 1-4: bottom and corner wear not shown",
        "photo 2-4: zipper brand stamp not legible",
        "photo 6: interior brand patch partially legible - full brand name not confirmed"
    ],
    "authenticity_concerns": [
        "photo 7: the visible embossed label is not legibly identifiable as a Coach creed or standard Coach wordmark",
        "photo 6: fabric-lined modern construction lacks the expected readable Coach identifier; Coach manufacture cannot be supported from these photos",
        "photo 5: severely frayed strap edges and layered-looking construction are inconsistent with a premium vintage Coach classic"
    ],
    "possible_model_reasoning": [
        "The silhouette is a contemporary zip-top satchel with multiple exterior and interior compartments, not a close match for the listed classic Coach models.",
        "photo 7 shows a small embossed leather label, but the lettering is not clear enough to transcribe and does not visibly establish Coach identity.",
        "Era is estimated as modern (2000s+), non-Coach from the fabric lining, multi-compartment design, contemporary hardware mix, and textured leather-like finish.",
        "Condition: Good\/Fair; the bag is usable-looking overall, but photo 5 shows severe strap-edge fraying and material separation. Interior is shown in photo 6, with no obvious lining failure visible.",
        "No Coach identifiers in any photo: no creed, no wordmark, no hangtag, no solid-brass turnlock",
        "Silhouette, fabric lining, plated hardware and riveted handles inconsistent with vintage Coach classics",
        "Photo 6 interior leather patch with cursive non-Coach branding indicates different maker, consistent with seller 'Unbranded' label",
        "Condition: Very Good; leather intact with light wear, lining clean (photo 5), strap edges show fraying (photo 4)"
    ],
    "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: multiple gold-tone rivets and photo 4: silver\/gold-tone rings and lobster-style clips; no legible brand engraving visible",
        "leather_description": "photo 1: blue\/teal textured, perforated or heavily pebbled leather-like exterior; finish appears modern and somewhat glossy",
        "lining_description": "photo 6: dark gray\/brown fabric lining with multiple compartments and zippered pockets; no creed patch visible",
        "strap_construction": "photo 4: detachable strap with metal clips; photo 5: strap edges show extensive greenish fraying and apparent layer separation",
        "stitching_description": "photo 1: visible machine stitching is generally straight, but several layered edges and strap areas look worn and frayed"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: leather handbag with structured satchel\/tote silhouette and multiple zippers",
                    "photo 4: leather-like exterior and metal hardware are visible"
                ],
                "negative_evidence": [
                    "photo 1: prominent perforated\/pebbled exterior and contemporary multi-compartment construction do not resemble classic vintage Coach glove-tanned styles",
                    "photo 3: hardware is bright mixed gold\/silver-tone rather than the consistent solid-brass hardware typical of many vintage Coach classics",
                    "photo 6: interior is fully fabric-lined, with no visible traditional Coach creed patch",
                    "photo 7: the small embossed leather label does not visibly show a legible COACH wordmark or horse-and-carriage",
                    "photo 5: strap edge material is heavily frayed and appears bonded or layered rather than a clean vintage Coach strap construction",
                    "listing title and seller brand identify the bag as unbranded; this is weak evidence but consistent with the absence of a clear Coach identifier"
                ],
                "missing_information": [
                    "Straight-on close-up of the interior label\/patch with all embossing legible",
                    "Full exterior back, bottom, and both side views",
                    "Close-ups of every zipper pull and hardware stamp",
                    "Seller-stated dimensions and material confirmation",
                    "Photos showing the complete detachable strap and attachment points"
                ],
                "authenticity_concerns": [
                    "photo 7: the visible embossed label is not legibly identifiable as a Coach creed or standard Coach wordmark",
                    "photo 6: fabric-lined modern construction lacks the expected readable Coach identifier; Coach manufacture cannot be supported from these photos",
                    "photo 5: severely frayed strap edges and layered-looking construction are inconsistent with a premium vintage Coach classic"
                ],
                "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: multiple gold-tone rivets and photo 4: silver\/gold-tone rings and lobster-style clips; no legible brand engraving visible",
                    "leather_description": "photo 1: blue\/teal textured, perforated or heavily pebbled leather-like exterior; finish appears modern and somewhat glossy",
                    "lining_description": "photo 6: dark gray\/brown fabric lining with multiple compartments and zippered pockets; no creed patch visible",
                    "strap_construction": "photo 4: detachable strap with metal clips; photo 5: strap edges show extensive greenish fraying and apparent layer separation",
                    "stitching_description": "photo 1: visible machine stitching is generally straight, but several layered edges and strap areas look worn and frayed"
                },
                "possible_model_reasoning": [
                    "The silhouette is a contemporary zip-top satchel with multiple exterior and interior compartments, not a close match for the listed classic Coach models.",
                    "photo 7 shows a small embossed leather label, but the lettering is not clear enough to transcribe and does not visibly establish Coach identity.",
                    "Era is estimated as modern (2000s+), non-Coach from the fabric lining, multi-compartment design, contemporary hardware mix, and textured leather-like finish.",
                    "Condition: Good\/Fair; the bag is usable-looking overall, but photo 5 shows severe strap-edge fraying and material separation. Interior is shown in photo 6, with no obvious lining failure visible."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-4: bottom and corner wear not shown",
                    "photo 2-4: zipper brand stamp not legible",
                    "photo 6: interior brand patch partially legible - full brand name not confirmed"
                ],
                "negative_evidence": [
                    "photo 1,3,4: zip-top satchel with riveted double handles and front zip pocket - no catalog Coach silhouette, no turnlock",
                    "photo 5: fully lined with dark brown polyester fabric, not unlined glove-tanned suede",
                    "photo 3,4: bright gold-tone plated zippers, textured rivets and D-rings, not solid brass vintage hardware",
                    "photo 5,6: no creed patch, no COACH wordmark, no horse-and-carriage visible in any view",
                    "photo 6: interior leather label embossed with non-Coach script reading like 'mia' - different brand identifier"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated hardware: textured dome rivets on handles (photo 1,3), top zip and front zip with leather pull (photo 3), side D-rings and detachable strap swivel clips (photo 4)",
                    "leather_description": "teal\/blue pebbled and micro-perforated leather with sheen, soft slouchy body (photo 1,2,3)",
                    "lining_description": "dark brown synthetic fabric lining with interior zip pocket and slip pockets (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark matching stitching around panels and handles, even but not Coach classic glove-tanned style (photo 1,3)",
                    "strap_construction": "two short rolled top handles riveted to body plus detachable flat shoulder strap with metal clips (photo 4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers in any photo: no creed, no wordmark, no hangtag, no solid-brass turnlock",
                    "Silhouette, fabric lining, plated hardware and riveted handles inconsistent with vintage Coach classics",
                    "Photo 6 interior leather patch with cursive non-Coach branding indicates different maker, consistent with seller 'Unbranded' label",
                    "Condition: Very Good; leather intact with light wear, lining clean (photo 5), strap edges show fraying (photo 4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33093,
            "output_tokens": 1005,
            "total_tokens": 34098,
            "estimated_cost_usd": 0.015649
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35564,
            "output_tokens": 1307,
            "total_tokens": 36871,
            "estimated_cost_usd": 0.008158
        }
    ]
}