Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.075,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.065,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.78,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly constructed as a leather top-handle handbag with a structured satchel silhouette.",
        "photo 1: Gold-tone zipper and side ring hardware are visible, but no Coach-specific marking is visible.",
        "photo 6: Four metal feet are visible on the bottom, consistent with a functional satchel but not specifically Coach.",
        "photo 1: Seller describes the material as genuine leather; this is seller-stated and not independently verifiable from photos.",
        "photo 1-6: leather handbag with top handles, consistent with genuine leather satchel as titled"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage emblem, hangtag, or other Coach identifier.",
        "photos 1-7: The visible design is a generic pebbled-leather satchel with top handles and exterior zip pocket, not a distinctive classic vintage Coach silhouette.",
        "photos 1-7: No turnlock closure is visible; the bag uses zip-top construction and generic ring hardware.",
        "photo 1: Gold zipper hardware and pebbled leather suggest a later 2000s-era construction rather than classic 1970s-1990s glove-tanned Coach.",
        "photos 1-7: Seller lists the item as unbranded; this does not disprove Coach, but there is no photographic evidence to override that classification.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-3: no turnlock; closure is zip-top with exterior zip pocket, not a catalog classic flap-turnlock silhouette",
        "photo 1,2,4,5,6: bright gold-tone plated zipper teeth, D-rings and bottom feet, not vintage solid brass with patina",
        "photo 3: plain pebbled plum leather with center seam construction, not glove-tanned full-grain with suede-back unlined interior",
        "photo 4-5: side D-rings for missing shoulder strap and modern satchel proportions with no Coach model match"
    ],
    "missing_information": [
        "photo 1-7: Interior is not shown clearly enough to inspect the back wall, slip pocket, creed patch, or fabric label.",
        "photo 1-7: No close-up of any interior tag, serial\/style number, or country-of-origin line.",
        "photo 1-7: No close-up of zipper pulls or hardware markings.",
        "photo 1-7: Dimensions and strap details are not provided; there appears to be no detachable shoulder strap visible.",
        "photo 6: Bottom is shown, but close-ups of all corners and hardware condition would help assess wear.",
        "interior views emptied showing lining and any creed patch or fabric tags",
        "creed close-up in raking light if present",
        "hardware brand stamps on zipper pull and D-rings",
        "detachable shoulder strap if present",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "photos 1-7: No Coach identifier is visible, so Coach manufacture cannot be supported from the available views.",
        "photos 1-7: The generic modern satchel construction does not provide a consistent match to a documented vintage Coach model."
    ],
    "possible_model_reasoning": [
        "The bag does not visibly match a named classic Coach model such as Willis, Court, Station, or Dinky; it is a generic zip-top satchel without a Coach identifier.",
        "The seller's Y2K description is unverified, but the pebbled leather, gold zipper, lining, and contemporary satchel construction are more compatible with a modern 2000s+ bag than a pre-2000 classic.",
        "Condition: Very Good; leather appears intact with light creasing and handling wear, while the bottom, interior, and strap attachment areas are only partly documented.",
        "No Coach model fits: zip-top double-handle satchel with full-width exterior back zip pocket and side D-rings does not match City Bag, Court, Station, Willis or other classics which are flap-turnlock styles",
        "No hard identifiers to decode: no creed, serial, wordmark or hangtag visible in any photo",
        "Construction reads modern non-Coach: thin pebbled leather, bright plated hardware, bottom feet, no solid-brass turnlock or unlined glove-tanned cues",
        "Condition: Very Good to Like New exterior; clean pebbled surface, no corner wear visible (photo 6 bottom clean), handles intact, hardware bright; interior not 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": "photos 1, 4-6: Gold-tone zipper hardware, side D-rings, and four small gold-tone feet are visible; no branding or turnlock is visible.",
        "leather_description": "photos 1-7: Purple\/plum pebbled leather or leather-like material with moderate natural-looking grain; exact material cannot be confirmed from photos.",
        "lining_description": "photos 1 and 4: A dark interior lining is partially visible at the opening, but its material and labels cannot be determined.",
        "strap_construction": "photos 1-5: Two padded fixed top handles are visible. No detachable shoulder strap is visible.",
        "stitching_description": "photos 1-7: Mostly even tonal stitching and bound seams are visible, with some minor unevenness at the top edge and handle attachments."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.12,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.1,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly constructed as a leather top-handle handbag with a structured satchel silhouette.",
                    "photo 1: Gold-tone zipper and side ring hardware are visible, but no Coach-specific marking is visible.",
                    "photo 6: Four metal feet are visible on the bottom, consistent with a functional satchel but not specifically Coach.",
                    "photo 1: Seller describes the material as genuine leather; this is seller-stated and not independently verifiable from photos."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage emblem, hangtag, or other Coach identifier.",
                    "photos 1-7: The visible design is a generic pebbled-leather satchel with top handles and exterior zip pocket, not a distinctive classic vintage Coach silhouette.",
                    "photos 1-7: No turnlock closure is visible; the bag uses zip-top construction and generic ring hardware.",
                    "photo 1: Gold zipper hardware and pebbled leather suggest a later 2000s-era construction rather than classic 1970s-1990s glove-tanned Coach.",
                    "photos 1-7: Seller lists the item as unbranded; this does not disprove Coach, but there is no photographic evidence to override that classification."
                ],
                "missing_information": [
                    "photo 1-7: Interior is not shown clearly enough to inspect the back wall, slip pocket, creed patch, or fabric label.",
                    "photo 1-7: No close-up of any interior tag, serial\/style number, or country-of-origin line.",
                    "photo 1-7: No close-up of zipper pulls or hardware markings.",
                    "photo 1-7: Dimensions and strap details are not provided; there appears to be no detachable shoulder strap visible.",
                    "photo 6: Bottom is shown, but close-ups of all corners and hardware condition would help assess wear."
                ],
                "authenticity_concerns": [
                    "photos 1-7: No Coach identifier is visible, so Coach manufacture cannot be supported from the available views.",
                    "photos 1-7: The generic modern satchel construction does not provide a consistent match to a documented vintage Coach model."
                ],
                "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, 4-6: Gold-tone zipper hardware, side D-rings, and four small gold-tone feet are visible; no branding or turnlock is visible.",
                    "leather_description": "photos 1-7: Purple\/plum pebbled leather or leather-like material with moderate natural-looking grain; exact material cannot be confirmed from photos.",
                    "lining_description": "photos 1 and 4: A dark interior lining is partially visible at the opening, but its material and labels cannot be determined.",
                    "strap_construction": "photos 1-5: Two padded fixed top handles are visible. No detachable shoulder strap is visible.",
                    "stitching_description": "photos 1-7: Mostly even tonal stitching and bound seams are visible, with some minor unevenness at the top edge and handle attachments."
                },
                "possible_model_reasoning": [
                    "The bag does not visibly match a named classic Coach model such as Willis, Court, Station, or Dinky; it is a generic zip-top satchel without a Coach identifier.",
                    "The seller's Y2K description is unverified, but the pebbled leather, gold zipper, lining, and contemporary satchel construction are more compatible with a modern 2000s+ bag than a pre-2000 classic.",
                    "Condition: Very Good; leather appears intact with light creasing and handling wear, while the bottom, interior, and strap attachment areas are only partly documented."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views emptied showing lining and any creed patch or fabric tags",
                    "creed close-up in raking light if present",
                    "hardware brand stamps on zipper pull and D-rings",
                    "detachable shoulder strap if present",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-3: no turnlock; closure is zip-top with exterior zip pocket, not a catalog classic flap-turnlock silhouette",
                    "photo 1,2,4,5,6: bright gold-tone plated zipper teeth, D-rings and bottom feet, not vintage solid brass with patina",
                    "photo 3: plain pebbled plum leather with center seam construction, not glove-tanned full-grain with suede-back unlined interior",
                    "photo 4-5: side D-rings for missing shoulder strap and modern satchel proportions with no Coach model match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone zipper with leather pull tab, side D-rings, four dome bottom feet; plated appearance, no COACH engraving visible",
                    "leather_description": "plum dusty purple pebbled leather with soft sheen, center seam on front and bottom, rolled top handles",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching around top edge, handles and zip pocket, even and intact where visible",
                    "strap_construction": "two short rolled top handles set into body; side D-rings for detachable shoulder strap which is absent",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather handbag with top handles, consistent with genuine leather satchel as titled"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top double-handle satchel with full-width exterior back zip pocket and side D-rings does not match City Bag, Court, Station, Willis or other classics which are flap-turnlock styles",
                    "No hard identifiers to decode: no creed, serial, wordmark or hangtag visible in any photo",
                    "Construction reads modern non-Coach: thin pebbled leather, bright plated hardware, bottom feet, no solid-brass turnlock or unlined glove-tanned cues",
                    "Condition: Very Good to Like New exterior; clean pebbled surface, no corner wear visible (photo 6 bottom clean), handles intact, hardware bright; interior not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33101,
            "output_tokens": 1039,
            "total_tokens": 34140,
            "estimated_cost_usd": 0.015734
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35573,
            "output_tokens": 1243,
            "total_tokens": 36816,
            "estimated_cost_usd": 0.008109
        }
    ]
}