Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.575,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.845,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder handbag with double straps and a rounded barrel-like silhouette.",
        "photo 1: Tan leather and brass-tone accents are compatible with some vintage leather handbags, but are not Coach-specific."
    ],
    "negative_evidence": [
        "photo 1: Prominent all-over floral tooling and dark whipstitch-style perimeter lacing are not characteristic of the classic Coach glove-tanned handbag catalog.",
        "photo 1: No visible Coach wordmark, carriage, or recognizable Coach hardware.",
        "photo 4: Side view shows a zipper-top construction rather than a documented classic Coach turnlock model.",
        "photo 6: Hardware appears to be generic rivets and strap fittings; no legible Coach marking is visible.",
        "photo 1: The seller's artisan hand-tooled description is consistent with a generic or regional tooled-leather bag rather than Coach.",
        "photo 1, photo 5: hand-tooled floral western decoration, never a Coach classic finish",
        "photo 1, photo 4: laced\/whipstitched perimeter edges, not Coach construction",
        "photo 1-5: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 4: side zip closure with thin double shoulder straps on rings\/rivets, no catalog Coach silhouette match",
        "photo 6: close-up shows tooling and lacing detail with stains\/discoloration, no creed-like stamping"
    ],
    "missing_information": [
        "photo request: Interior view, including every wall, pocket, and seam, to check for a creed or maker label.",
        "photo request: Close-up of any interior stamp, zipper pull, rivet, or hardware marking.",
        "photo request: Back, bottom, and strap-anchor views to assess construction and maker details.",
        "photo request: Seller's country of origin, approximate purchase date, and any known maker information.",
        "photo of emptied interior and interior walls\/pockets to check for creed patch or fabric label",
        "photo of hardware stamps, zipper-pull brand, and Made-in line",
        "photo of bottom corners and strap fold points for condition"
    ],
    "authenticity_concerns": [
        "photo 1: The tooled floral design and whipstitched construction are lookalike\/generic features and provide no Coach attribution.",
        "photo 4: Visible zipper and side construction do not match an identifiable Coach catalog model from the available views.",
        "photo 1, photo 5: all-over hand-tooled floral western carving and dark laced\/whipstitched edges inconsistent with Coach glove-tanned classics which are smooth tone-on-tone"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible construction; the bag is more consistent with a generic artisan tooled-leather shoulder bag.",
        "Condition: Good; visible discoloration and wear are present on the leather (photo 1), while the bottom, interior, and full strap condition are not shown.",
        "No Coach model fits: barrel\/doctor shape, tooled western leather, laced edges and ring-attached double straps match artisan\/western bags, not City Bag, Willis, Court, Station or other classics",
        "No creed, serial, wordmark, turnlock or hangtag to decode for era; dating by construction only suggests vintage-style western bag of unknown age",
        "Condition: Good; visible stains\/discoloration noted by seller and in photo 6 close-up, leather intact but discolored, interior and bottom 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": "photo 1: Brass-tone rivets and strap fittings are visible; photo 4: a zipper-top closure is visible. No Coach engraving is legible.",
        "leather_description": "photo 1: Tan leather with extensive floral tooling, darker recessed tooling, and apparent stains or discoloration.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two narrow leather shoulder straps attached with riveted fittings; photo 3: straps appear long enough for shoulder carry.",
        "stitching_description": "photo 1: Dark contrasting whipstitch-style lacing around the perimeter and horizontal seam; visible stitching is decorative and evenly spaced in the shown areas."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder handbag with double straps and a rounded barrel-like silhouette.",
                    "photo 1: Tan leather and brass-tone accents are compatible with some vintage leather handbags, but are not Coach-specific."
                ],
                "negative_evidence": [
                    "photo 1: Prominent all-over floral tooling and dark whipstitch-style perimeter lacing are not characteristic of the classic Coach glove-tanned handbag catalog.",
                    "photo 1: No visible Coach wordmark, carriage, or recognizable Coach hardware.",
                    "photo 4: Side view shows a zipper-top construction rather than a documented classic Coach turnlock model.",
                    "photo 6: Hardware appears to be generic rivets and strap fittings; no legible Coach marking is visible.",
                    "photo 1: The seller's artisan hand-tooled description is consistent with a generic or regional tooled-leather bag rather than Coach."
                ],
                "missing_information": [
                    "photo request: Interior view, including every wall, pocket, and seam, to check for a creed or maker label.",
                    "photo request: Close-up of any interior stamp, zipper pull, rivet, or hardware marking.",
                    "photo request: Back, bottom, and strap-anchor views to assess construction and maker details.",
                    "photo request: Seller's country of origin, approximate purchase date, and any known maker information."
                ],
                "authenticity_concerns": [
                    "photo 1: The tooled floral design and whipstitched construction are lookalike\/generic features and provide no Coach attribution.",
                    "photo 4: Visible zipper and side construction do not match an identifiable Coach catalog model 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": "photo 1: Brass-tone rivets and strap fittings are visible; photo 4: a zipper-top closure is visible. No Coach engraving is legible.",
                    "leather_description": "photo 1: Tan leather with extensive floral tooling, darker recessed tooling, and apparent stains or discoloration.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two narrow leather shoulder straps attached with riveted fittings; photo 3: straps appear long enough for shoulder carry.",
                    "stitching_description": "photo 1: Dark contrasting whipstitch-style lacing around the perimeter and horizontal seam; visible stitching is decorative and evenly spaced in the shown areas."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible construction; the bag is more consistent with a generic artisan tooled-leather shoulder bag.",
                    "Condition: Good; visible discoloration and wear are present on the leather (photo 1), while the bottom, interior, and full strap condition are not shown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 5: all-over hand-tooled floral western carving and dark laced\/whipstitched edges inconsistent with Coach glove-tanned classics which are smooth tone-on-tone"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of emptied interior and interior walls\/pockets to check for creed patch or fabric label",
                    "photo of hardware stamps, zipper-pull brand, and Made-in line",
                    "photo of bottom corners and strap fold points for condition"
                ],
                "negative_evidence": [
                    "photo 1, photo 5: hand-tooled floral western decoration, never a Coach classic finish",
                    "photo 1, photo 4: laced\/whipstitched perimeter edges, not Coach construction",
                    "photo 1-5: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 4: side zip closure with thin double shoulder straps on rings\/rivets, no catalog Coach silhouette match",
                    "photo 6: close-up shows tooling and lacing detail with stains\/discoloration, no creed-like stamping"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone rings, rivets and side zipper visible in photo 4 and photo 6; tone and solidity not verifiable as solid brass, no COACH engraving visible",
                    "leather_description": "tan smooth leather with all-over hand-tooled floral\/scroll carving and darkened laced edges visible in photo 1, photo 5, photo 6; not glove-tanned Coach leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark whipstitch\/lacing around perimeter and dashed stitching on pocket in photo 1, photo 5, photo 6; no even matched-thread Coach stitching observed",
                    "strap_construction": "double thin flat leather shoulder straps attached via metal rings and rivets in photo 1, photo 5; no buckle adjustment or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: barrel\/doctor shape, tooled western leather, laced edges and ring-attached double straps match artisan\/western bags, not City Bag, Willis, Court, Station or other classics",
                    "No creed, serial, wordmark, turnlock or hangtag to decode for era; dating by construction only suggests vintage-style western bag of unknown age",
                    "Condition: Good; visible stains\/discoloration noted by seller and in photo 6 close-up, leather intact but discolored, interior and bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18103,
            "output_tokens": 907,
            "total_tokens": 19010,
            "estimated_cost_usd": 0.009418
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18657,
            "output_tokens": 1582,
            "total_tokens": 20239,
            "estimated_cost_usd": 0.004997
        }
    ]
}