Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.535,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.815,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 13.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder handbag with a long adjustable strap.",
        "photos 1-7: leather patchwork construction and aged styling are compatible with a vintage or vintage-inspired bag.",
        "photos 1-7: no obvious synthetic or coated-canvas construction is visible.",
        "photo 1-6: leather handbag with shoulder strap - general object class where misidentified Coach could hide, but no Coach-specific identifier seen"
    ],
    "negative_evidence": [
        "photos 1-7: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
        "photos 1-7: multicolor patchwork body and prominent decorative zigzag stitching are not characteristic of the listed classic Coach silhouettes.",
        "photos 1-7: visible zippers and hardware appear generic and provide no Coach-specific evidence.",
        "photo 6: bottom and edge construction appear more consistent with a generic patchwork leather bag than a classic Coach construction.",
        "photo 1-5: multi-color patchwork leather body with zigzag overlock stitching - construction never used on vintage Coach classics which are smooth tone-on-tone glove-tanned",
        "photo 1-4: zip-top closure with front exterior zip pocket - no turnlock present, no Coach turnlock geometry",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 4: unbranded coil zippers with plain leather pull tabs, strap attached with small dark-tone rings and riveted tabs - not solid brass Coach hardware with dogleash\/lobster clips",
        "photo 1-6: silhouette (soft patchwork hobo with long thin strap) matches no Coach catalog style in 4.2"
    ],
    "missing_information": [
        "photo 1-7: interior is not shown; request a fully opened interior and every pocket.",
        "photo 1-7: request close-ups of any interior leather patch, fabric label, or stamp.",
        "photo 1-7: request close-ups of zipper pulls, strap hardware, and any concealed markings.",
        "photo 1-7: dimensions, country of manufacture, and condition of the strap fold are not provided.",
        "photo of interior lining and pockets emptied - interior not shown in any photo",
        "creed patch \/ interior brand label close-up not shown",
        "hardware stamps on zipper pulls and strap rings not shown",
        "bottom corners close-up and dimensions\/scale not stated"
    ],
    "authenticity_concerns": [
        "photos 1-7: the bag lacks any visible Coach identifier and has a generic patchwork design, making it a likely non-Coach lookalike rather than an unidentified Coach classic."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible exterior; the patchwork hobo silhouette is generic.",
        "Seller's '80\u2019s' wording is unverified listing data and cannot establish the era.",
        "Condition appears Good to Very Good: visible creasing, surface wear, and edge wear are present, while no major tears or broken hardware are visible; interior condition is unknown.",
        "No Coach model fits: patchwork material, zip-top hobo silhouette, front zip pocket, and zigzag stitching match no style in 4.2 catalog; no serial decode possible",
        "Era reasoning: seller title claims 80s boho, construction and thin patchwork leather suggest 1980s-2000s generic boho patchwork bag, but without interior\/labels cannot date; emitted as modern (2000s+), non-Coach",
        "Condition: Very Good to Good; exterior leather shows softening and light wear but no tears or corner blowouts visible in photo 5-6, strap intact, interior\/odor\/mold unknown because interior not shown"
    ],
    "estimated_era": "unknown",
    "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 1-7: small circular rivets and ring attachments are visible; no Coach-marked hardware is visible. Zipper hardware appears generic.",
        "leather_description": "photos 1-7: tan, brown, and ochre patchwork leather with varied textures, visible creasing, and darker leather edging.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-7: long adjustable-looking leather shoulder strap, attached through leather loops and metal rings; strap edges show wear and creasing.",
        "stitching_description": "photos 1-7: prominent contrasting zigzag decorative stitching joins the leather patches; stitching is generally continuous but not Coach-specific."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0068,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder handbag with a long adjustable strap.",
                    "photos 1-7: leather patchwork construction and aged styling are compatible with a vintage or vintage-inspired bag.",
                    "photos 1-7: no obvious synthetic or coated-canvas construction is visible."
                ],
                "negative_evidence": [
                    "photos 1-7: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
                    "photos 1-7: multicolor patchwork body and prominent decorative zigzag stitching are not characteristic of the listed classic Coach silhouettes.",
                    "photos 1-7: visible zippers and hardware appear generic and provide no Coach-specific evidence.",
                    "photo 6: bottom and edge construction appear more consistent with a generic patchwork leather bag than a classic Coach construction."
                ],
                "missing_information": [
                    "photo 1-7: interior is not shown; request a fully opened interior and every pocket.",
                    "photo 1-7: request close-ups of any interior leather patch, fabric label, or stamp.",
                    "photo 1-7: request close-ups of zipper pulls, strap hardware, and any concealed markings.",
                    "photo 1-7: dimensions, country of manufacture, and condition of the strap fold are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-7: the bag lacks any visible Coach identifier and has a generic patchwork design, making it a likely non-Coach lookalike rather than an unidentified 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": "photos 1-7: small circular rivets and ring attachments are visible; no Coach-marked hardware is visible. Zipper hardware appears generic.",
                    "leather_description": "photos 1-7: tan, brown, and ochre patchwork leather with varied textures, visible creasing, and darker leather edging.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-7: long adjustable-looking leather shoulder strap, attached through leather loops and metal rings; strap edges show wear and creasing.",
                    "stitching_description": "photos 1-7: prominent contrasting zigzag decorative stitching joins the leather patches; stitching is generally continuous but not Coach-specific."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible exterior; the patchwork hobo silhouette is generic.",
                    "Seller's '80\u2019s' wording is unverified listing data and cannot establish the era.",
                    "Condition appears Good to Very Good: visible creasing, surface wear, and edge wear are present, while no major tears or broken hardware are visible; interior condition is unknown."
                ],
                "confidence": 0.83,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 12,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior lining and pockets emptied - interior not shown in any photo",
                    "creed patch \/ interior brand label close-up not shown",
                    "hardware stamps on zipper pulls and strap rings not shown",
                    "bottom corners close-up and dimensions\/scale not stated"
                ],
                "negative_evidence": [
                    "photo 1-5: multi-color patchwork leather body with zigzag overlock stitching - construction never used on vintage Coach classics which are smooth tone-on-tone glove-tanned",
                    "photo 1-4: zip-top closure with front exterior zip pocket - no turnlock present, no Coach turnlock geometry",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 4: unbranded coil zippers with plain leather pull tabs, strap attached with small dark-tone rings and riveted tabs - not solid brass Coach hardware with dogleash\/lobster clips",
                    "photo 1-6: silhouette (soft patchwork hobo with long thin strap) matches no Coach catalog style in 4.2"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark antique brass-tone rings at strap ends, matching coil zippers with brown plastic\/metal sliders and leather pull tabs with rivets; no COACH stamping visible",
                    "leather_description": "patchwork genuine-appearing leather in tan, golden-yellow, cognac and brown irregular patches with prominent zigzag stitching over seams; solid brown trim and bottom gusset",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting tan zigzag stitch over all patchwork seams, plus straight topstitching on trim, pocket binding and strap edges",
                    "strap_construction": "single long narrow flat leather crossbody\/shoulder strap attached via metal rings to riveted end tabs at top sides, non-adjustable as shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather handbag with shoulder strap - general object class where misidentified Coach could hide, but no Coach-specific identifier seen"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: patchwork material, zip-top hobo silhouette, front zip pocket, and zigzag stitching match no style in 4.2 catalog; no serial decode possible",
                    "Era reasoning: seller title claims 80s boho, construction and thin patchwork leather suggest 1980s-2000s generic boho patchwork bag, but without interior\/labels cannot date; emitted as modern (2000s+), non-Coach",
                    "Condition: Very Good to Good; exterior leather shows softening and light wear but no tears or corner blowouts visible in photo 5-6, strap intact, interior\/odor\/mold unknown because interior not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 30619,
            "output_tokens": 873,
            "total_tokens": 31492,
            "estimated_cost_usd": 0.014343
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32795,
            "output_tokens": 1665,
            "total_tokens": 34460,
            "estimated_cost_usd": 0.007891
        }
    ]
}