Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.045,
    "vintage_probability": 0.71,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.74,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured leather handbag with brass-tone frame hardware and a vintage-looking silhouette.",
        "photo 4: Leather exterior and metal-frame construction are consistent with some older handbags, including some pre-creed Coach designs.",
        "photo 4: Interior construction and zipper are clearly visible.",
        "photo 1: red leather top-handle handbag of vintage age consistent with population where misidentified bags hide"
    ],
    "negative_evidence": [
        "photo 1: The bag has a wooden frame and clasp-style metal closure rather than a recognizable Coach turnlock or classic Coach silhouette.",
        "photo 4: Ornate repeating patterned fabric lining is not characteristic of the unlined glove-tanned interiors of most classic vintage Coach bags.",
        "photos 1-6: No visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag.",
        "photo 6: The interior leather panel shows staining and wear, while no brand identifier is visible.",
        "listing text: Seller describes the item as unbranded and does not provide any Coach-specific identification; this is weak evidence only.",
        "photo 1,2,5: wood top-rail frame with center kiss-snap clasp, never used on Coach classics which use turnlock flap",
        "photo 4: fully fabric-lined interior with brown\/orange\/green geometric print, not unlined suede-back glove-tanned of vintage Coach classics",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1,6: rolled top handle attached via metal eyelets to wood frame, not Coach dowel handle or dogleash\/buckle strap construction",
        "photo 3: bottom with small dome feet and edge staining, leather grain and finish unlike glove-tanned cowhide"
    ],
    "missing_information": [
        "photo request: Straight-on close-up of every interior wall, pocket, and seam for a hidden creed or fabric label.",
        "photo request: Close-up of any labels, stamps, or markings under the frame and inside pockets.",
        "photo request: Full back, both sides, bottom, and strap attachment details.",
        "photo request: Close-up of zipper pull, clasp, and hardware backs for maker marks.",
        "seller information: Exact dimensions, country of origin if known, and whether the lining or frame has any labels.",
        "photo of any interior leather creed patch or fabric brand label straight-on in raking light",
        "photo of hardware stamps on clasp and zipper pull",
        "photo of both side panels and full handle attachment"
    ],
    "authenticity_concerns": [
        "The visible construction is more consistent with a generic vintage frame purse than with a recognizable Coach model.",
        "The printed fabric lining and wooden frame do not provide positive Coach evidence and are not a strong match for classic Coach construction.",
        "No Coach identifier is visible, so a Coach attribution cannot be supported from these photos.",
        "photo 1,2,4,5: wooden frame kisslock construction inconsistent with any Coach catalog silhouette",
        "photo 4: no creed patch visible on interior back wall or pocket where Coach creed would sit"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible frame construction, patterned lining, and absence of identifiers.",
        "The silhouette may be a generic vintage framed handbag, possibly from the mid-20th century, but the exact maker and date cannot be established.",
        "Condition: Good\/Fair; visible stains, scratches, creasing, and surface wear on the exterior (photos 1, 3, and 6); lining is present and appears intact in photo 4, but odor and hidden damage are unknown.",
        "Wooden-frame satchel does not match any Coach Classic model (Willis 9927, Court 9870, Station 5130, Dinky 9375, etc.) which all use turnlock flap or zip top, not wood rail kisslock",
        "Fabric geometric lining and wood frame point to 1960s-1970s department-store frame bag, not Cashin-era Coach which used striped\/plaid\/madras linings and kisslock metal frames",
        "Condition: Good to Fair; visible dark staining on front, side and bottom (photos 1,3,6), wood discoloration (photo 2), lining appears intact but stained risk"
    ],
    "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: Brass-tone frame, clasp, strap rings, and small base feet are visible; no maker engraving is legible. The closure is a frame clasp, not a Coach-style turnlock.",
        "leather_description": "photos 1, 3, and 6: Red textured leather exterior with visible creasing, scratches, dark stains, and some surface wear.",
        "lining_description": "photo 4: Fully fabric-lined interior with ornate repeating geometric\/floral print; interior zip pocket visible.",
        "strap_construction": "photos 1 and 6: Single attached red leather top handle with metal ring attachments; handle appears creased and worn. No detachable crossbody strap is visible.",
        "stitching_description": "photos 1, 3, and 6: Perimeter stitching appears generally even, with visible wear and creasing; close stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0037,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.82,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured leather handbag with brass-tone frame hardware and a vintage-looking silhouette.",
                    "photo 4: Leather exterior and metal-frame construction are consistent with some older handbags, including some pre-creed Coach designs.",
                    "photo 4: Interior construction and zipper are clearly visible."
                ],
                "negative_evidence": [
                    "photo 1: The bag has a wooden frame and clasp-style metal closure rather than a recognizable Coach turnlock or classic Coach silhouette.",
                    "photo 4: Ornate repeating patterned fabric lining is not characteristic of the unlined glove-tanned interiors of most classic vintage Coach bags.",
                    "photos 1-6: No visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag.",
                    "photo 6: The interior leather panel shows staining and wear, while no brand identifier is visible.",
                    "listing text: Seller describes the item as unbranded and does not provide any Coach-specific identification; this is weak evidence only."
                ],
                "missing_information": [
                    "photo request: Straight-on close-up of every interior wall, pocket, and seam for a hidden creed or fabric label.",
                    "photo request: Close-up of any labels, stamps, or markings under the frame and inside pockets.",
                    "photo request: Full back, both sides, bottom, and strap attachment details.",
                    "photo request: Close-up of zipper pull, clasp, and hardware backs for maker marks.",
                    "seller information: Exact dimensions, country of origin if known, and whether the lining or frame has any labels."
                ],
                "authenticity_concerns": [
                    "The visible construction is more consistent with a generic vintage frame purse than with a recognizable Coach model.",
                    "The printed fabric lining and wooden frame do not provide positive Coach evidence and are not a strong match for classic Coach construction.",
                    "No Coach identifier is visible, so a Coach attribution cannot be supported from these 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": "photos 1-6: Brass-tone frame, clasp, strap rings, and small base feet are visible; no maker engraving is legible. The closure is a frame clasp, not a Coach-style turnlock.",
                    "leather_description": "photos 1, 3, and 6: Red textured leather exterior with visible creasing, scratches, dark stains, and some surface wear.",
                    "lining_description": "photo 4: Fully fabric-lined interior with ornate repeating geometric\/floral print; interior zip pocket visible.",
                    "strap_construction": "photos 1 and 6: Single attached red leather top handle with metal ring attachments; handle appears creased and worn. No detachable crossbody strap is visible.",
                    "stitching_description": "photos 1, 3, and 6: Perimeter stitching appears generally even, with visible wear and creasing; close stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible frame construction, patterned lining, and absence of identifiers.",
                    "The silhouette may be a generic vintage framed handbag, possibly from the mid-20th century, but the exact maker and date cannot be established.",
                    "Condition: Good\/Fair; visible stains, scratches, creasing, and surface wear on the exterior (photos 1, 3, and 6); lining is present and appears intact in photo 4, but odor and hidden damage are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1,2,4,5: wooden frame kisslock construction inconsistent with any Coach catalog silhouette",
                    "photo 4: no creed patch visible on interior back wall or pocket where Coach creed would sit"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand label straight-on in raking light",
                    "photo of hardware stamps on clasp and zipper pull",
                    "photo of both side panels and full handle attachment"
                ],
                "negative_evidence": [
                    "photo 1,2,5: wood top-rail frame with center kiss-snap clasp, never used on Coach classics which use turnlock flap",
                    "photo 4: fully fabric-lined interior with brown\/orange\/green geometric print, not unlined suede-back glove-tanned of vintage Coach classics",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1,6: rolled top handle attached via metal eyelets to wood frame, not Coach dowel handle or dogleash\/buckle strap construction",
                    "photo 3: bottom with small dome feet and edge staining, leather grain and finish unlike glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone metal frame and rectangular kiss-clasp under wood top rail, small dome base feet, brass-tone zipper with teeth visible in photo 4",
                    "leather_description": "red pebbled-grain leather with surface staining and scuffs visible in photos 1-3,6, sheen suggests coated leather not matte glove-tanned",
                    "lining_description": "printed woven fabric with repeating geometric medallion pattern in brown\/orange\/green visible in photo 4, with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on bottom in photo 3 and side trim in photo 6, tone-matched but not clearly assessable for tightness",
                    "strap_construction": "short double-rolled top handle in matching red leather attached to wood frame with metal loops, no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: red leather top-handle handbag of vintage age consistent with population where misidentified bags hide"
                ],
                "possible_model_reasoning": [
                    "Wooden-frame satchel does not match any Coach Classic model (Willis 9927, Court 9870, Station 5130, Dinky 9375, etc.) which all use turnlock flap or zip top, not wood rail kisslock",
                    "Fabric geometric lining and wood frame point to 1960s-1970s department-store frame bag, not Cashin-era Coach which used striped\/plaid\/madras linings and kisslock metal frames",
                    "Condition: Good to Fair; visible dark staining on front, side and bottom (photos 1,3,6), wood discoloration (photo 2), lining appears intact but stained risk"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18102,
            "output_tokens": 988,
            "total_tokens": 19090,
            "estimated_cost_usd": 0.009612
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18653,
            "output_tokens": 1596,
            "total_tokens": 20249,
            "estimated_cost_usd": 0.005007
        }
    ]
}