Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.745,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.805,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: the item is clearly a leather shoulder\/tote handbag with adjustable\/removable strap hardware.",
        "photo 3: leather construction and generally even topstitching are visible, but these features are not specific to Coach.",
        "photo 1-6: leather handbag\/tote object clearly present",
        "photo 4-6: full-grain-like natural leather variation and patina"
    ],
    "negative_evidence": [
        "photo 3: the oval exterior plaque appears to read a non-Coach name resembling \u201cGood Natural World,\u201d not COACH.",
        "photo 1: the bag has a tall open bucket\/tote silhouette with long fixed handles, unlike the visible classic Coach turnlock styles.",
        "photo 3: no Coach wordmark, horse-and-carriage, creed patch, or serial\/style number is visible.",
        "photos 1-6: hardware consists of generic rings, clips, and snaps; no Coach-specific turnlock is visible.",
        "photos 1-6: the seller identifies the item as handmade goat leather and unbranded, which is consistent with a generic leather bag rather than a misidentified vintage Coach.",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3-4: oval metal brand plate on front is not Coach cartouche\/wordmark shape",
        "photo 3-6: open-top tote with fixed flat handles plus detachable crossbody strap matches no vintage Coach catalog silhouette",
        "photo 3-6: thin wrinkled goat leather with high sheen variation is not vintage Coach glove-tanned cowhide",
        "photo 3,5: dark gunmetal-tone snap-hooks, not vintage solid brass turnlock\/dogleash hardware",
        "photo 1: second smaller saddle bag in same listing also shows no Coach identifiers"
    ],
    "missing_information": [
        "photo 1-6: interior, lining, and any interior brand label or creed patch are not shown.",
        "photo 1-6: close-up of the oval exterior plaque is needed to read the non-Coach branding precisely.",
        "photo 1-6: zipper pulls, underside, seams, and strap attachment points are not shown in close detail.",
        "Seller-stated measurements and country of manufacture are not provided beyond the title\u2019s approximate dimensions.",
        "photo 1-6: interior views not shown, lining unknown",
        "photo 1-6: creed patch not shown - request straight-on interior back wall\/pocket photo",
        "photo 3-4: oval front logo plate illegible - request close-up to confirm non-Coach brand",
        "photo 3,5: hardware stamps \/ zipper brand not shown",
        "photo 6: bottom corners\/feet not shown in detail"
    ],
    "authenticity_concerns": [
        "photo 3: the visible oval plaque appears to identify another brand, creating a direct conflict with Coach attribution.",
        "photo 1-6: no Coach identifier is visible, so this should not be treated as a vintage Coach bag based on silhouette or leather alone."
    ],
    "possible_model_reasoning": [
        "The tall bucket\/tote silhouette does not closely match the listed vintage Coach classic models, and no Coach identifier is visible.",
        "The visible oval plaque appears to carry non-Coach branding, making a generic handmade leather tote the most likely identification.",
        "Condition: Good; substantial creasing, discoloration, surface scuffs, and edge wear are visible in photos 1-6, while interior condition and odor are unknown.",
        "No Coach model fits: open tote with sewn-on flat handles, gunmetal hardware, goat leather, and oval non-Coach front plate is inconsistent with any 1970s-1990s Coach classic (City Bag, Station, Duffle Sac, etc.) which use solid brass, glove-tanned cowhide, turnlock or buckle closures, creed patch and leather hangtag",
        "Condition: Like New \/ new handmade appearance; soft unworn leather (photo 4-6), no corner wear visible, but interior, bottom and strap fold not shown so full 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": "photos 1-6: generic dark metal-tone rings, lobster-style clips, snaps, and strap attachments are visible; no Coach turnlock or Coach-engraved hardware is visible.",
        "leather_description": "photos 1-6: brown, smooth-to lightly wrinkled leather with substantial creasing, color variation, scuffs, and a worn\/patinated surface; seller states goat leather, but that material claim is not independently verifiable from photos.",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photos 1-6: two long fixed shoulder handles plus a detachable-looking longer strap with clip attachments; leather strap construction is visible.",
        "stitching_description": "photos 1-6: visible topstitching is generally straight and evenly spaced, with some edge wear and creasing around the seams."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "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": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: the item is clearly a leather shoulder\/tote handbag with adjustable\/removable strap hardware.",
                    "photo 3: leather construction and generally even topstitching are visible, but these features are not specific to Coach."
                ],
                "negative_evidence": [
                    "photo 3: the oval exterior plaque appears to read a non-Coach name resembling \u201cGood Natural World,\u201d not COACH.",
                    "photo 1: the bag has a tall open bucket\/tote silhouette with long fixed handles, unlike the visible classic Coach turnlock styles.",
                    "photo 3: no Coach wordmark, horse-and-carriage, creed patch, or serial\/style number is visible.",
                    "photos 1-6: hardware consists of generic rings, clips, and snaps; no Coach-specific turnlock is visible.",
                    "photos 1-6: the seller identifies the item as handmade goat leather and unbranded, which is consistent with a generic leather bag rather than a misidentified vintage Coach."
                ],
                "missing_information": [
                    "photo 1-6: interior, lining, and any interior brand label or creed patch are not shown.",
                    "photo 1-6: close-up of the oval exterior plaque is needed to read the non-Coach branding precisely.",
                    "photo 1-6: zipper pulls, underside, seams, and strap attachment points are not shown in close detail.",
                    "Seller-stated measurements and country of manufacture are not provided beyond the title\u2019s approximate dimensions."
                ],
                "authenticity_concerns": [
                    "photo 3: the visible oval plaque appears to identify another brand, creating a direct conflict with Coach attribution.",
                    "photo 1-6: no Coach identifier is visible, so this should not be treated as a vintage Coach bag based on silhouette or leather alone."
                ],
                "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 1-6: generic dark metal-tone rings, lobster-style clips, snaps, and strap attachments are visible; no Coach turnlock or Coach-engraved hardware is visible.",
                    "leather_description": "photos 1-6: brown, smooth-to lightly wrinkled leather with substantial creasing, color variation, scuffs, and a worn\/patinated surface; seller states goat leather, but that material claim is not independently verifiable from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: two long fixed shoulder handles plus a detachable-looking longer strap with clip attachments; leather strap construction is visible.",
                    "stitching_description": "photos 1-6: visible topstitching is generally straight and evenly spaced, with some edge wear and creasing around the seams."
                },
                "possible_model_reasoning": [
                    "The tall bucket\/tote silhouette does not closely match the listed vintage Coach classic models, and no Coach identifier is visible.",
                    "The visible oval plaque appears to carry non-Coach branding, making a generic handmade leather tote the most likely identification.",
                    "Condition: Good; substantial creasing, discoloration, surface scuffs, and edge wear are visible in photos 1-6, while interior condition and odor are unknown."
                ],
                "confidence": 0.86,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior views not shown, lining unknown",
                    "photo 1-6: creed patch not shown - request straight-on interior back wall\/pocket photo",
                    "photo 3-4: oval front logo plate illegible - request close-up to confirm non-Coach brand",
                    "photo 3,5: hardware stamps \/ zipper brand not shown",
                    "photo 6: bottom corners\/feet not shown in detail"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3-4: oval metal brand plate on front is not Coach cartouche\/wordmark shape",
                    "photo 3-6: open-top tote with fixed flat handles plus detachable crossbody strap matches no vintage Coach catalog silhouette",
                    "photo 3-6: thin wrinkled goat leather with high sheen variation is not vintage Coach glove-tanned cowhide",
                    "photo 3,5: dark gunmetal-tone snap-hooks, not vintage solid brass turnlock\/dogleash hardware",
                    "photo 1: second smaller saddle bag in same listing also shows no Coach identifiers"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal \/ blackened metal snap-hooks and D-rings on sides for detachable strap; small oval dark metal logo plate on front, illegible but not COACH; no turnlock, no brass",
                    "leather_description": "medium-brown thin, wrinkled \/ distressed goat leather as stated in title, soft slouchy tote body, lighter tan saddle bag also visible in photo 1-2",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible contrast tan edge stitching on handles and top edge, even but not Coach-matched thread; no detailed stitch close-up",
                    "strap_construction": "two fixed flat shoulder handles sewn to body plus separate detachable narrow crossbody strap on snap-hooks",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather handbag\/tote object clearly present",
                    "photo 4-6: full-grain-like natural leather variation and patina"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: open tote with sewn-on flat handles, gunmetal hardware, goat leather, and oval non-Coach front plate is inconsistent with any 1970s-1990s Coach classic (City Bag, Station, Duffle Sac, etc.) which use solid brass, glove-tanned cowhide, turnlock or buckle closures, creed patch and leather hangtag",
                    "Condition: Like New \/ new handmade appearance; soft unworn leather (photo 4-6), no corner wear visible, but interior, bottom and strap fold not shown so full grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20069,
            "output_tokens": 851,
            "total_tokens": 20920,
            "estimated_cost_usd": 0.01007
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20850,
            "output_tokens": 1083,
            "total_tokens": 21933,
            "estimated_cost_usd": 0.005036
        }
    ]
}