Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.06,
    "vintage_probability": 0.37,
    "authenticity_confidence": 0.06,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.745,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: genuine-looking blue leather shoulder bag with a structured base and zip-top construction",
        "photo 6: multiple compartments and beige fabric lining are clearly visible",
        "photo 1-6: leather shoulder handbag with structured base - correct general material class where misidentified Coach could hide",
        "photo 3-4: bottom with center seam and clean stitching"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, or other Coach identifier",
        "photo 6: interior view shows no visible creed patch, serial\/style number, or Coach label",
        "photos 1-6: construction is a generic lined, zip-top shoulder bag rather than a recognizable classic Coach silhouette",
        "photos 1-6: no visible vintage Coach brass turnlock or dogleash hardware",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 6: three lined compartments with tan fabric lining - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
        "photo 1-2,6: zip-top closure with thin shoulder straps and no turnlock - lacks solid-brass turnlock geometry typical of 1980s Coach",
        "photo 1-5: smooth bright royal-blue leather with thin construction and stitched accents - not the thick matte glove-tanned cowhide with solid brass of NYC\/US era",
        "photo 1-6: no solid-brass hardware, dogleash clips, or bead-chain hangtag visible"
    ],
    "missing_information": [
        "Straight-on photo of every interior wall and pocket, especially any concealed leather creed patch or fabric label",
        "Close-up photos of all zipper pulls, strap attachments, and hardware",
        "Full front and rear views with the bag emptied",
        "Seller-stated dimensions and a photo showing the full strap length",
        "photo 1-6: no creed patch shown - straight-on interior back wall \/ slip pocket view needed",
        "photo 1-6: no COACH wordmark, hangtag, or hardware stamp visible - need hangtag both faces and zipper-pull brand",
        "photo 1-6: no clear front \/ back full view - only side, bottom and top views provided",
        "photo 6: interior lining only partially visible - need emptied interior showing compartments and any fabric \/ leather labels"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in the available photos; the bag appears to be an unbranded or non-Coach leather handbag",
        "The beige fabric lining and zip-top multi-compartment construction do not provide a convincing match to a documented vintage Coach classic"
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because no identifier or recognizable Coach silhouette is visible.",
        "The seller's 1980s claim is not independently supported by the photos; glossy leather, fabric lining, and zip-top compartmental construction are compatible with a later generic handbag.",
        "Condition: Very Good based on generally intact leather and stitching with visible creasing and handling wear; interior is only partly shown and odor, mold, and hidden damage are unknown.",
        "No Coach model fits: zip-top three-compartment lined shoulder bag with thin straps and no turnlock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525) or other catalog classics which are unlined glove-tanned with brass turnlock",
        "No serial decode possible - no creed or number visible",
        "Condition: Very Good to Excellent; photos 3-5 show bottom corners intact with light creasing and no wear-through, leather supple, lining appears clean in limited view, but interior and strap fold not fully shown so 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 1: zipper closure and small strap hardware are visible; no Coach-stamped hardware is legible",
        "leather_description": "photos 1-5: smooth, glossy royal-blue leather or leather-like material with soft wrinkling and structured padded seams; no distinctive glove-tanned Coach construction can be established",
        "lining_description": "photo 6: beige fabric lining with several separated compartments; label and creed area are not visible",
        "strap_construction": "photos 1-2 and 6: narrow blue leather shoulder straps with stitched edges; full attachment and adjustment details are not visible",
        "stitching_description": "photos 1-6: generally straight, matching blue stitching around seams and edges; no distinctive Coach construction detail is visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0073,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.24,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: genuine-looking blue leather shoulder bag with a structured base and zip-top construction",
                    "photo 6: multiple compartments and beige fabric lining are clearly visible"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, or other Coach identifier",
                    "photo 6: interior view shows no visible creed patch, serial\/style number, or Coach label",
                    "photos 1-6: construction is a generic lined, zip-top shoulder bag rather than a recognizable classic Coach silhouette",
                    "photos 1-6: no visible vintage Coach brass turnlock or dogleash hardware"
                ],
                "missing_information": [
                    "Straight-on photo of every interior wall and pocket, especially any concealed leather creed patch or fabric label",
                    "Close-up photos of all zipper pulls, strap attachments, and hardware",
                    "Full front and rear views with the bag emptied",
                    "Seller-stated dimensions and a photo showing the full strap length"
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in the available photos; the bag appears to be an unbranded or non-Coach leather handbag",
                    "The beige fabric lining and zip-top multi-compartment construction do not provide a convincing match to a documented 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: zipper closure and small strap hardware are visible; no Coach-stamped hardware is legible",
                    "leather_description": "photos 1-5: smooth, glossy royal-blue leather or leather-like material with soft wrinkling and structured padded seams; no distinctive glove-tanned Coach construction can be established",
                    "lining_description": "photo 6: beige fabric lining with several separated compartments; label and creed area are not visible",
                    "strap_construction": "photos 1-2 and 6: narrow blue leather shoulder straps with stitched edges; full attachment and adjustment details are not visible",
                    "stitching_description": "photos 1-6: generally straight, matching blue stitching around seams and edges; no distinctive Coach construction detail is visible"
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because no identifier or recognizable Coach silhouette is visible.",
                    "The seller's 1980s claim is not independently supported by the photos; glossy leather, fabric lining, and zip-top compartmental construction are compatible with a later generic handbag.",
                    "Condition: Very Good based on generally intact leather and stitching with visible creasing and handling wear; interior is only partly shown and odor, mold, and hidden damage are unknown."
                ],
                "confidence": 0.84,
                "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": 0.05,
                "coach_probability": 0.04,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: no creed patch shown - straight-on interior back wall \/ slip pocket view needed",
                    "photo 1-6: no COACH wordmark, hangtag, or hardware stamp visible - need hangtag both faces and zipper-pull brand",
                    "photo 1-6: no clear front \/ back full view - only side, bottom and top views provided",
                    "photo 6: interior lining only partially visible - need emptied interior showing compartments and any fabric \/ leather labels"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 6: three lined compartments with tan fabric lining - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
                    "photo 1-2,6: zip-top closure with thin shoulder straps and no turnlock - lacks solid-brass turnlock geometry typical of 1980s Coach",
                    "photo 1-5: smooth bright royal-blue leather with thin construction and stitched accents - not the thick matte glove-tanned cowhide with solid brass of NYC\/US era",
                    "photo 1-6: no solid-brass hardware, dogleash clips, or bead-chain hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass hardware visible; blue zipper top in photo 6, no brand stamp legible; strap attachments are leather slots, no brass clips or buckles shown",
                    "leather_description": "smooth royal \/ cobalt blue leather, shiny finish, soft slouchy hand, structured base with center seam; not visibly thick glove-tanned with patina",
                    "lining_description": "tan \/ beige fabric lining visible in photo 1 and photo 6 inside three compartments; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching visible on base seam and strap attachments in photos 2-4; no mismatched thread observed but no close-up",
                    "strap_construction": "thin flat blue leather double shoulder straps, stitched, attached through leather side tabs; photo 1 shows knotted \/ rosette detail on side tab",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather shoulder handbag with structured base - correct general material class where misidentified Coach could hide",
                    "photo 3-4: bottom with center seam and clean stitching"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top three-compartment lined shoulder bag with thin straps and no turnlock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525) or other catalog classics which are unlined glove-tanned with brass turnlock",
                    "No serial decode possible - no creed or number visible",
                    "Condition: Very Good to Excellent; photos 3-5 show bottom corners intact with light creasing and no wear-through, leather supple, lining appears clean in limited view, but interior and strap fold not fully shown so capped"
                ],
                "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": 17862,
            "output_tokens": 806,
            "total_tokens": 18668,
            "estimated_cost_usd": 0.009079
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18205,
            "output_tokens": 1398,
            "total_tokens": 19603,
            "estimated_cost_usd": 0.004759
        }
    ]
}