Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.685,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.71,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "Photo 1: clearly a handbag-sized rectangular convertible shoulder bag\/clutch.",
        "Photos 1-6: brown reptile-patterned leather or leather-like exterior, multiple compartments, snap closures, and removable strap are consistent with a vintage accessory bag.",
        "Photo 2: decorative corner hardware and photo 5: small decorative clasp hardware are visible."
    ],
    "negative_evidence": [
        "Photos 1-6: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
        "Photos 1-6: exterior is reptile\/lizard material; the silhouette and decorative hardware do not closely identify a catalogued Coach classic.",
        "Photos 2 and 5: hardware appears decorative and gold-tone rather than the characteristic solid-brass Coach turnlock construction.",
        "Photo 3: the bag has snap closures and multiple compartments rather than a recognizable Coach turnlock or documented classic closure.",
        "photo 1-6: exotic reptile (seller states lizard) glossy scaled skin, not glove-tanned cowhide signature of vintage Coach classics",
        "photo 3: snap \/ press-stud closure with double snap tabs, not Coach turnlock geometry",
        "photo 2: gold-tone metal corner protector on one corner only, not seen on Coach classics",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible in any photo",
        "photo 3,4,6: multi-compartment clutch \/ convertible silhouette with thin snap-on shoulder strap does not match catalog Cashin or classic Coach styles"
    ],
    "missing_information": [
        "Straight-on interior photos of every compartment and pocket.",
        "Close-up photos of all interior labels, stamps, or maker marks.",
        "Full strap photos, including attachment hardware and any stamps.",
        "Bottom, back, and both side views showing construction and condition.",
        "Clarification whether the reptile material is genuine lizard skin or embossed leather\/synthetic material.",
        "photo of interior compartments and lining emptied - no interior view shown",
        "creed patch \/ interior stamp close-up not shown",
        "close-up of hardware stamps, zipper pulls, snap backs not shown",
        "hangtag or brand label both faces not shown",
        "bottom and all corners straight-on not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in any supplied photo, so Coach manufacture is unsupported.",
        "The decorative gold-tone corner and clasp hardware and reptile construction are more consistent with a generic vintage exotic-skin bag than with a recognizable Coach model.",
        "Seller's claimed 1960s date is not independently verifiable from the photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible features; the bag lacks the identifiers and classic turnlock silhouettes used to support Coach attribution.",
        "The seller-stated 1960s date is plausible as a general vintage estimate, but no period label, maker mark, or construction detail visible here confirms it.",
        "Condition: Good based on seller-reported minor bottom-corner wear and photo 2's worn\/missing corner hardware; interior condition, odor, lining, and strap integrity are unknown.",
        "No Coach identifier visible to decode; no creed, serial, wordmark, turnlock, or hangtag in 6 photos",
        "Construction in exotic reptile with snap closure and corner protectors is inconsistent with 1960s Cashin pre-creed cues (kisslock\/scissor frames, crushed cowhide, striped lining) and with 1970s-1990s glove-tanned unlined brass-turnlock classics",
        "Dimensions 12 x 6.75 x 2 in convertible clutch does not match Convertible Clutch (9635) which is turnlock glove-tanned, not snap exotic",
        "Condition: Good to Very Good per seller; photo 2 shows corner wear and missing corner piece, photo 6 shows edge wear\/scuffing; interior unknown so grade 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 2: gold-tone corner protector; photo 5: small gold-tone bar\/clasp hardware; snap closures visible in photo 3. No Coach-marked hardware visible.",
        "leather_description": "Photos 1-6: glossy brown reptile\/lizard-patterned exterior with longitudinal panels and visible scale pattern; exact material cannot be confirmed from photos.",
        "lining_description": "not_visible",
        "strap_construction": "Photos 1, 3, and 6: narrow matching brown strap appears removable or snap-attached; full attachment construction is not shown.",
        "stitching_description": "Photos 1-6: visible perimeter and panel stitching appears generally straight, though detailed stitch quality is not clear enough for brand attribution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0047,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.82,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "Photo 1: clearly a handbag-sized rectangular convertible shoulder bag\/clutch.",
                    "Photos 1-6: brown reptile-patterned leather or leather-like exterior, multiple compartments, snap closures, and removable strap are consistent with a vintage accessory bag.",
                    "Photo 2: decorative corner hardware and photo 5: small decorative clasp hardware are visible."
                ],
                "negative_evidence": [
                    "Photos 1-6: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
                    "Photos 1-6: exterior is reptile\/lizard material; the silhouette and decorative hardware do not closely identify a catalogued Coach classic.",
                    "Photos 2 and 5: hardware appears decorative and gold-tone rather than the characteristic solid-brass Coach turnlock construction.",
                    "Photo 3: the bag has snap closures and multiple compartments rather than a recognizable Coach turnlock or documented classic closure."
                ],
                "missing_information": [
                    "Straight-on interior photos of every compartment and pocket.",
                    "Close-up photos of all interior labels, stamps, or maker marks.",
                    "Full strap photos, including attachment hardware and any stamps.",
                    "Bottom, back, and both side views showing construction and condition.",
                    "Clarification whether the reptile material is genuine lizard skin or embossed leather\/synthetic material."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in any supplied photo, so Coach manufacture is unsupported.",
                    "The decorative gold-tone corner and clasp hardware and reptile construction are more consistent with a generic vintage exotic-skin bag than with a recognizable Coach model.",
                    "Seller's claimed 1960s date is not independently verifiable from the photos."
                ],
                "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 2: gold-tone corner protector; photo 5: small gold-tone bar\/clasp hardware; snap closures visible in photo 3. No Coach-marked hardware visible.",
                    "leather_description": "Photos 1-6: glossy brown reptile\/lizard-patterned exterior with longitudinal panels and visible scale pattern; exact material cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Photos 1, 3, and 6: narrow matching brown strap appears removable or snap-attached; full attachment construction is not shown.",
                    "stitching_description": "Photos 1-6: visible perimeter and panel stitching appears generally straight, though detailed stitch quality is not clear enough for brand attribution."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible features; the bag lacks the identifiers and classic turnlock silhouettes used to support Coach attribution.",
                    "The seller-stated 1960s date is plausible as a general vintage estimate, but no period label, maker mark, or construction detail visible here confirms it.",
                    "Condition: Good based on seller-reported minor bottom-corner wear and photo 2's worn\/missing corner hardware; interior condition, odor, lining, and strap integrity are unknown."
                ],
                "confidence": 0.74,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.68,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior compartments and lining emptied - no interior view shown",
                    "creed patch \/ interior stamp close-up not shown",
                    "close-up of hardware stamps, zipper pulls, snap backs not shown",
                    "hangtag or brand label both faces not shown",
                    "bottom and all corners straight-on not shown"
                ],
                "negative_evidence": [
                    "photo 1-6: exotic reptile (seller states lizard) glossy scaled skin, not glove-tanned cowhide signature of vintage Coach classics",
                    "photo 3: snap \/ press-stud closure with double snap tabs, not Coach turnlock geometry",
                    "photo 2: gold-tone metal corner protector on one corner only, not seen on Coach classics",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible in any photo",
                    "photo 3,4,6: multi-compartment clutch \/ convertible silhouette with thin snap-on shoulder strap does not match catalog Cashin or classic Coach styles"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone snap closures (photo 3) and single gold-tone corner protector (photo 2); flat rectangular buckle-like strap detail on back (photo 5); tone worn, no COACH stamping visible",
                    "leather_description": "brown glossy exotic reptile skin with small rounded scales and larger belly scales, seller states lizard; high gloss, not glove-tanned cowhide; wear and scuffing visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light-colored straight stitching along edges visible in photo 2 and photo 5; no detailed stitch close-up",
                    "strap_construction": "thin matching exotic-skin shoulder strap, snap-detachable per seller, convertible to clutch; strap drop seller states 13 in",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible to decode; no creed, serial, wordmark, turnlock, or hangtag in 6 photos",
                    "Construction in exotic reptile with snap closure and corner protectors is inconsistent with 1960s Cashin pre-creed cues (kisslock\/scissor frames, crushed cowhide, striped lining) and with 1970s-1990s glove-tanned unlined brass-turnlock classics",
                    "Dimensions 12 x 6.75 x 2 in convertible clutch does not match Convertible Clutch (9635) which is turnlock glove-tanned, not snap exotic",
                    "Condition: Good to Very Good per seller; photo 2 shows corner wear and missing corner piece, photo 6 shows edge wear\/scuffing; interior unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17791,
            "output_tokens": 885,
            "total_tokens": 18676,
            "estimated_cost_usd": 0.00924
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18128,
            "output_tokens": 1421,
            "total_tokens": 19549,
            "estimated_cost_usd": 0.004762
        }
    ]
}