Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.05,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.05,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.78,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-like red handbag with gold-tone hardware and a structured shoulder-bag silhouette.",
        "photo 3: interior and zipper pocket are visible, allowing inspection for a Coach creed patch.",
        "photo 1-2: leather handbag with shoulder straps - object is a handbag",
        "photo 1: red color seen on some vintage Coach but not diagnostic"
    ],
    "negative_evidence": [
        "photo 1: prominent oversized rounded buckle decoration and chunky decorative construction do not match the documented geometry of classic vintage Coach turnlocks.",
        "photo 1: no legible COACH wordmark, horse-and-carriage mark, or Coach-style hangtag is visible.",
        "photo 3: visible black fabric lining and interior zipper pocket do not show a Coach creed patch or serial number.",
        "photo 4: the black lining appears synthetic and patterned\/subtly printed, which is inconsistent with many classic unlined glove-tanned Coach handbags.",
        "photo 1: seller lists the item as unbranded; this is weak context but consistent with a generic or other-brand bag.",
        "photo 1-5: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 3-4: black synthetic fabric lining with center zip pocket - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
        "photo 1-2: large gold-tone D-ring \/ stirrup front buckle closure, not Coach turnlock geometry",
        "photo 1-2,5: pebbled leather with contrasting light stitching and gold-tone ring strap attachments - does not match 1970s-1990s Coach tone-on-tone stitching and solid-brass turnlock\/dogleash construction",
        "photo 1-5: silhouette with wide zip-top gussets and front buckle tab does not match any catalog classic style"
    ],
    "missing_information": [
        "photo 3 or a separate close-up: complete interior wall and every pocket\/seam, including any small fabric or leather brand label.",
        "photo 1: close-up of the buckle, zipper pulls, and all hardware for maker markings.",
        "photo 2: full strap, attachment points, and underside details.",
        "seller-stated dimensions, material composition, and any brand markings not visible in the listing photos.",
        "photo 4: interior wall fully emptied and straight-on creed\/fabric-tag search - no leather creed patch visible but confirm no tags in seams",
        "photo 3-4: any brand stamp on hardware, zipper pull brand, or Made-in label",
        "photo 5: bottom corners and feet condition, back exterior full view"
    ],
    "authenticity_concerns": [
        "photo 1: oversized decorative buckle is a lookalike-style cue rather than a recognizable vintage Coach closure.",
        "photo 3: black fabric lining and generic interior construction are inconsistent with the expected construction of many classic vintage Coach models.",
        "No Coach identifier is visible in the provided photos, so there is no positive manufacturing evidence to support a Coach attribution."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic modern satchel\/shoulder bag with a decorative buckle, not a close match to the listed classic Coach turnlock models.",
        "The visible black lining and contemporary decorative hardware support a modern non-Coach classification.",
        "Condition: Very Good based on the clean exterior and intact visible hardware; interior and lining show no obvious major damage in the provided photos, though odor and hidden wear cannot be assessed.",
        "No Coach model fits: closure is oversized D-ring buckle, not turnlock; fabric-lined interior with contrast stitching inconsistent with unlined glove-tanned classics; no creed\/wordmark\/hardware identifier to decode; Condition: Very Good to Good - exterior looks clean with light slouching (photo 1,5), interior lining appears intact (photo 3-4), bottom\/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": "Gold-tone rings, rivets, zippers, and a large rounded decorative buckle are visible; no maker engraving is legible.",
        "leather_description": "Red pebbled leather-like exterior is visible; exact leather composition cannot be confirmed from photos.",
        "lining_description": "Black fabric lining is visible, with a zippered interior pocket; no creed patch is visible.",
        "strap_construction": "Two fixed rolled\/flat shoulder straps attached with rings and stitched tabs; additional side strap hardware is visible.",
        "stitching_description": "Light contrasting stitching appears generally even and machine-stitched; close stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather-like red handbag with gold-tone hardware and a structured shoulder-bag silhouette.",
                    "photo 3: interior and zipper pocket are visible, allowing inspection for a Coach creed patch."
                ],
                "negative_evidence": [
                    "photo 1: prominent oversized rounded buckle decoration and chunky decorative construction do not match the documented geometry of classic vintage Coach turnlocks.",
                    "photo 1: no legible COACH wordmark, horse-and-carriage mark, or Coach-style hangtag is visible.",
                    "photo 3: visible black fabric lining and interior zipper pocket do not show a Coach creed patch or serial number.",
                    "photo 4: the black lining appears synthetic and patterned\/subtly printed, which is inconsistent with many classic unlined glove-tanned Coach handbags.",
                    "photo 1: seller lists the item as unbranded; this is weak context but consistent with a generic or other-brand bag."
                ],
                "missing_information": [
                    "photo 3 or a separate close-up: complete interior wall and every pocket\/seam, including any small fabric or leather brand label.",
                    "photo 1: close-up of the buckle, zipper pulls, and all hardware for maker markings.",
                    "photo 2: full strap, attachment points, and underside details.",
                    "seller-stated dimensions, material composition, and any brand markings not visible in the listing photos."
                ],
                "authenticity_concerns": [
                    "photo 1: oversized decorative buckle is a lookalike-style cue rather than a recognizable vintage Coach closure.",
                    "photo 3: black fabric lining and generic interior construction are inconsistent with the expected construction of many classic vintage Coach models.",
                    "No Coach identifier is visible in the provided photos, so there is no positive manufacturing evidence to support a Coach attribution."
                ],
                "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": "Gold-tone rings, rivets, zippers, and a large rounded decorative buckle are visible; no maker engraving is legible.",
                    "leather_description": "Red pebbled leather-like exterior is visible; exact leather composition cannot be confirmed from photos.",
                    "lining_description": "Black fabric lining is visible, with a zippered interior pocket; no creed patch is visible.",
                    "strap_construction": "Two fixed rolled\/flat shoulder straps attached with rings and stitched tabs; additional side strap hardware is visible.",
                    "stitching_description": "Light contrasting stitching appears generally even and machine-stitched; close stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic modern satchel\/shoulder bag with a decorative buckle, not a close match to the listed classic Coach turnlock models.",
                    "The visible black lining and contemporary decorative hardware support a modern non-Coach classification.",
                    "Condition: Very Good based on the clean exterior and intact visible hardware; interior and lining show no obvious major damage in the provided photos, though odor and hidden wear cannot be assessed."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.07,
                "coach_probability": 0.06,
                "confidence": 0.68,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: interior wall fully emptied and straight-on creed\/fabric-tag search - no leather creed patch visible but confirm no tags in seams",
                    "photo 3-4: any brand stamp on hardware, zipper pull brand, or Made-in label",
                    "photo 5: bottom corners and feet condition, back exterior full view"
                ],
                "negative_evidence": [
                    "photo 1-5: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 3-4: black synthetic fabric lining with center zip pocket - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
                    "photo 1-2: large gold-tone D-ring \/ stirrup front buckle closure, not Coach turnlock geometry",
                    "photo 1-2,5: pebbled leather with contrasting light stitching and gold-tone ring strap attachments - does not match 1970s-1990s Coach tone-on-tone stitching and solid-brass turnlock\/dogleash construction",
                    "photo 1-5: silhouette with wide zip-top gussets and front buckle tab does not match any catalog classic style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone hardware: large front D-ring buckle, strap attachment rings, rivets, side zip pulls and base feet; bright plated appearance, no COACH engraving legible",
                    "leather_description": "bright red pebbled grain leather, soft slouchy hand, visible texture in photo 1-2,5",
                    "lining_description": "black fabric lining visible in photo 3-4 with red leather-trimmed interior zip pocket; no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting light tan\/white stitching throughout exterior and interior trim, even but not tone-matched",
                    "strap_construction": "dual fixed shoulder straps attached via gold-tone rings and riveted tabs; no detachable dogleash clips or buckle adjustment visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: leather handbag with shoulder straps - object is a handbag",
                    "photo 1: red color seen on some vintage Coach but not diagnostic"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: closure is oversized D-ring buckle, not turnlock; fabric-lined interior with contrast stitching inconsistent with unlined glove-tanned classics; no creed\/wordmark\/hardware identifier to decode; Condition: Very Good to Good - exterior looks clean with light slouching (photo 1,5), interior lining appears intact (photo 3-4), bottom\/strap fold not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.06,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17264,
            "output_tokens": 813,
            "total_tokens": 18077,
            "estimated_cost_usd": 0.008857
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17590,
            "output_tokens": 1420,
            "total_tokens": 19010,
            "estimated_cost_usd": 0.004654
        }
    ]
}