Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.035,
    "vintage_probability": 0.08,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.715,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: front shows a generic green pebbled-leather-looking clutch with bright silver-tone hardware, not the solid brass hardware typical of many vintage Coach classics.",
        "photo 1: the closure and decorative silver plates do not resemble a recognizable vintage Coach turnlock geometry.",
        "photo 2: interior is black fabric-lined; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
        "photo 3: rear view shows generic snap\/strap construction and no Coach identifier.",
        "photo 4: decorative silver hardware and contemporary construction are inconsistent with a typical 1970s\u20131990s glove-tanned Coach classic.",
        "listing text: seller describes it only as no brand; this provides no meaningful Coach evidence.",
        "photo 2: black fabric lining visible - vintage Coach classics are unlined suede-back glove-tanned, fabric lining points to late-1990s+ non-Coach or modern mall brand",
        "photo 3: magnetic snap closure on flap underside, no turnlock present - classic vintage Coach uses brass turnlock with oval back plate",
        "photo 4: bright silver-tone \/ nickel hardware on clips and plates - vintage 1970s-early 1990s Coach is solid brass throughout, all matching tone",
        "photo 1, 4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
        "photo 1: pebbled light-green leather with light contrast stitching and silver bar accent - not glove-tanned cowhide finish or construction of vintage Coach"
    ],
    "missing_information": [
        "photo 2: the interior back wall and all pockets should be shown fully and straight-on to confirm no hidden creed or fabric brand tag.",
        "photo 2: zipper pulls, interior labels, and any sewn-in care or brand tags are not shown closely.",
        "photo 1\/photo 4: close-ups of hardware engravings would help identify the maker.",
        "photo 3: full strap attachment and underside details are not shown.",
        "seller-stated dimensions and material composition are not provided.",
        "photo 2: interior wall\/pocket area where creed would sit not shown straight-on - request creed patch close-up in raking light",
        "photo 1-4: no COACH wordmark, hangtag, or creed visible - request photos of any interior leather patch, fabric tags, or hardware engravings",
        "photo 4: hardware brand stamps not legible - request close-up of strap clips and snap",
        "photo 1-4: bottom corners and strap fold\/buckle holes not shown in detail - request bottom and strap detail for condition"
    ],
    "authenticity_concerns": [
        "photo 1\/photo 4: the bright silver-tone, decorative hardware and contemporary lined construction are lookalike\/non-Coach cues rather than evidence of a vintage Coach bag.",
        "photo 2: no Coach identifier is visible, so Coach manufacture cannot be supported from the available views."
    ],
    "possible_model_reasoning": [
        "The compact flap\/clutch silhouette does not closely match a specific listed vintage Coach model and lacks the creed, hangtag, or wordmark expected for a stronger Coach attribution.",
        "Photo 2 shows a fabric-lined interior and photos 1 and 4 show silver-tone decorative hardware, which point toward a modern generic fashion bag rather than a classic unlined, brass-hardware Coach design.",
        "Condition: approximately Very Good from visible views; leather appears clean with minor handling creases, but the bottom, corners, strap, and interior condition are not fully documented.",
        "No Coach catalog silhouette match: flap clutch\/shoulder with magnetic snap, side metal strap plates and fabric lining does not match City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or other classics which have turnlock, brass hardware and unlined interiors",
        "Era reasoning: silver hardware + fabric lining + magnetic snap + pebbled coated leather = modern (2000s+) non-Coach mall-brand construction, not 1975-1987 NYC or 1985-1993 US glove-tanned era",
        "Condition: Very Good; leather looks clean with light edge wear (photo 3), hardware with light tarnish\/scratching (photo 1, photo 4), interior looks clean (photo 2), but bottom corners, strap fold and odor not assessable from photos"
    ],
    "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": "Bright silver-tone decorative plates, rings, snaps, and strap hardware visible in photos 1, 3, and 4; no legible brand engraving.",
        "leather_description": "Green pebbled leather-looking material visible in photos 1, 3, and 4; exact material cannot be confirmed from photos.",
        "lining_description": "Black fabric lining visible in photo 2, including an interior zip pocket.",
        "strap_construction": "A narrow adjustable-looking strap is partially visible in photos 3 and 4; attachment details are incomplete.",
        "stitching_description": "Visible exterior stitching appears generally even and machine-sewn in photos 1, 3, and 4; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: front shows a generic green pebbled-leather-looking clutch with bright silver-tone hardware, not the solid brass hardware typical of many vintage Coach classics.",
                    "photo 1: the closure and decorative silver plates do not resemble a recognizable vintage Coach turnlock geometry.",
                    "photo 2: interior is black fabric-lined; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
                    "photo 3: rear view shows generic snap\/strap construction and no Coach identifier.",
                    "photo 4: decorative silver hardware and contemporary construction are inconsistent with a typical 1970s\u20131990s glove-tanned Coach classic.",
                    "listing text: seller describes it only as no brand; this provides no meaningful Coach evidence."
                ],
                "missing_information": [
                    "photo 2: the interior back wall and all pockets should be shown fully and straight-on to confirm no hidden creed or fabric brand tag.",
                    "photo 2: zipper pulls, interior labels, and any sewn-in care or brand tags are not shown closely.",
                    "photo 1\/photo 4: close-ups of hardware engravings would help identify the maker.",
                    "photo 3: full strap attachment and underside details are not shown.",
                    "seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1\/photo 4: the bright silver-tone, decorative hardware and contemporary lined construction are lookalike\/non-Coach cues rather than evidence of a vintage Coach bag.",
                    "photo 2: no Coach identifier is visible, so Coach manufacture cannot be supported from the available views."
                ],
                "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": "Bright silver-tone decorative plates, rings, snaps, and strap hardware visible in photos 1, 3, and 4; no legible brand engraving.",
                    "leather_description": "Green pebbled leather-looking material visible in photos 1, 3, and 4; exact material cannot be confirmed from photos.",
                    "lining_description": "Black fabric lining visible in photo 2, including an interior zip pocket.",
                    "strap_construction": "A narrow adjustable-looking strap is partially visible in photos 3 and 4; attachment details are incomplete.",
                    "stitching_description": "Visible exterior stitching appears generally even and machine-sewn in photos 1, 3, and 4; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The compact flap\/clutch silhouette does not closely match a specific listed vintage Coach model and lacks the creed, hangtag, or wordmark expected for a stronger Coach attribution.",
                    "Photo 2 shows a fabric-lined interior and photos 1 and 4 show silver-tone decorative hardware, which point toward a modern generic fashion bag rather than a classic unlined, brass-hardware Coach design.",
                    "Condition: approximately Very Good from visible views; leather appears clean with minor handling creases, but the bottom, corners, strap, and interior condition are not fully documented."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "photo 2: interior wall\/pocket area where creed would sit not shown straight-on - request creed patch close-up in raking light",
                    "photo 1-4: no COACH wordmark, hangtag, or creed visible - request photos of any interior leather patch, fabric tags, or hardware engravings",
                    "photo 4: hardware brand stamps not legible - request close-up of strap clips and snap",
                    "photo 1-4: bottom corners and strap fold\/buckle holes not shown in detail - request bottom and strap detail for condition"
                ],
                "negative_evidence": [
                    "photo 2: black fabric lining visible - vintage Coach classics are unlined suede-back glove-tanned, fabric lining points to late-1990s+ non-Coach or modern mall brand",
                    "photo 3: magnetic snap closure on flap underside, no turnlock present - classic vintage Coach uses brass turnlock with oval back plate",
                    "photo 4: bright silver-tone \/ nickel hardware on clips and plates - vintage 1970s-early 1990s Coach is solid brass throughout, all matching tone",
                    "photo 1, 4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
                    "photo 1: pebbled light-green leather with light contrast stitching and silver bar accent - not glove-tanned cowhide finish or construction of vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone hardware: side strap plates with oval cutouts (photo 4), magnetic snap on flap underside (photo 3), silver d-ring\/clip strap ends (photo 1); bright plated appearance, not solid brass",
                    "leather_description": "light \/ lime green pebbled leather, flap with center panel seaming and front metal bar accent (photo 1); smooth coated appearance, not matte glove-tanned cowhide",
                    "lining_description": "black fabric lining visible inside main compartment with interior zip pocket (photo 2)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light tan contrast stitching around flap edge and panels (photo 1, photo 3), even but contrasting thread color",
                    "strap_construction": "short flat shoulder strap in matching green leather attached with silver-tone clips\/rings (photo 3, photo 4); full length, buckle holes and clips not shown in detail",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette match: flap clutch\/shoulder with magnetic snap, side metal strap plates and fabric lining does not match City Bag (9790), Willis (9927), Court (9870), Dinky (9375) or other classics which have turnlock, brass hardware and unlined interiors",
                    "Era reasoning: silver hardware + fabric lining + magnetic snap + pebbled coated leather = modern (2000s+) non-Coach mall-brand construction, not 1975-1987 NYC or 1985-1993 US glove-tanned era",
                    "Condition: Very Good; leather looks clean with light edge wear (photo 3), hardware with light tarnish\/scratching (photo 1, photo 4), interior looks clean (photo 2), but bottom corners, strap fold and odor not assessable from photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.08
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16825,
            "output_tokens": 789,
            "total_tokens": 17614,
            "estimated_cost_usd": 0.008624
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17141,
            "output_tokens": 1557,
            "total_tokens": 18698,
            "estimated_cost_usd": 0.004674
        }
    ]
}