Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.065,
    "vintage_probability": 0.785,
    "authenticity_confidence": 0.06,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.77,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather handbag with a metal kiss-lock frame and small top handle, a construction type that can occur in older handbags.",
        "photo 3: interior appears to have a fabric lining and an interior zippered compartment.",
        "photo 4: measured body is approximately 10\u201311 inches wide, consistent with a small vintage handbag.",
        "photo 1,2,4: black leather kisslock-frame handbag of 1960s-70s type, a format Coach also made in Cashin era so shape alone prompts check",
        "photo 4,5,6: ~12 in wide frame bag with top handle, consistent with vintage production"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 3: the visible interior has no legible Coach label or creed.",
        "photos 1\u20137: vertical quilted panels, fabric lining, and the generic frame construction do not closely identify a known Coach model.",
        "photo 1: the clasp and frame are visible but do not provide a distinctive Coach identifier.",
        "photo 1,2,4: silver-tone kisslock frame and rings, not solid brass vintage Coach hardware",
        "photo 3: black satin-like fabric lining, not unlined suede-back glove-tanned and not 1960s Cashin striped\/plaid\/madras lining",
        "photos 1,2,4,5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photos 1,2,4: vertical channel-stitched pleated body and wrapped top handle silhouette does not match Cashin kisslock models like Swinger\/Chubby Clutch\/Double Header"
    ],
    "missing_information": [
        "A straight-on close-up of every interior wall, pocket, and seam label.",
        "Close-up photographs of the frame, kiss-lock hardware, handle attachments, and any hidden stamps.",
        "Bottom, side, and back views in sharper light.",
        "Seller-stated material details and measurements including depth.",
        "Information about odor, mold, lining deterioration, and whether the kiss-lock functions properly.",
        "photo of any interior leather creed patch or fabric brand label straight-on in raking light - photo 3 shows open interior but no patch visible",
        "close-up of kisslock frame and handle anchor stamps or brand marks",
        "photo of bottom, sides and handle underside for condition and construction",
        "confirmation of lining material and any pockets or tags inside"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so the bag is currently more consistent with a generic vintage leather handbag than an identifiable Coach piece.",
        "The seller's 1960s\/1970s dating is unverified from the photos; the fabric lining and hardware could also reflect a later period."
    ],
    "possible_model_reasoning": [
        "The kiss-lock frame and small top-handle silhouette could be a generic mid-century or later vintage frame purse, but it does not provide enough evidence for a Coach model match.",
        "It does not visibly match a clearly identifiable Cashin-era Coach model, and no pre-creed Cashin label or metal Coach tag is shown.",
        "Condition: Good to Very Good; visible creasing and handle wear are present, while the interior is only partially shown and the bottom is not shown.",
        "No Coach identifier visible in any photo, so no Coach model can be ranked; kisslock frame plus silver hardware plus satin lining is inconsistent with 1960s-70s Cashin construction which uses solid brass and striped lining or unlined glove-tanned leather",
        "Condition: Good; leather scuffed and faded with handle wear (photo 1,2), lining wrinkled but no holes seen (photo 3), frame function unknown"
    ],
    "estimated_era": "unknown",
    "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 and photo 3: small rectangular metal kiss-lock clasp and metal frame; exact metal and construction are not discernible.",
        "leather_description": "photos 1\u20132: black smooth leather or leather-like material with vertical stitched panels; surface shows creasing and uneven sheen.",
        "lining_description": "photo 3: dark fabric lining is visible, with an interior zippered compartment; no brand label is visible.",
        "strap_construction": "photos 1\u20132: short fixed top handle attached at both sides with small metal fittings; handle surface appears creased\/worn.",
        "stitching_description": "photos 1\u20134: visible vertical stitching is generally straight and even, though close-up stitch quality is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather handbag with a metal kiss-lock frame and small top handle, a construction type that can occur in older handbags.",
                    "photo 3: interior appears to have a fabric lining and an interior zippered compartment.",
                    "photo 4: measured body is approximately 10\u201311 inches wide, consistent with a small vintage handbag."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 3: the visible interior has no legible Coach label or creed.",
                    "photos 1\u20137: vertical quilted panels, fabric lining, and the generic frame construction do not closely identify a known Coach model.",
                    "photo 1: the clasp and frame are visible but do not provide a distinctive Coach identifier."
                ],
                "missing_information": [
                    "A straight-on close-up of every interior wall, pocket, and seam label.",
                    "Close-up photographs of the frame, kiss-lock hardware, handle attachments, and any hidden stamps.",
                    "Bottom, side, and back views in sharper light.",
                    "Seller-stated material details and measurements including depth.",
                    "Information about odor, mold, lining deterioration, and whether the kiss-lock functions properly."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so the bag is currently more consistent with a generic vintage leather handbag than an identifiable Coach piece.",
                    "The seller's 1960s\/1970s dating is unverified from the photos; the fabric lining and hardware could also reflect a later period."
                ],
                "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 and photo 3: small rectangular metal kiss-lock clasp and metal frame; exact metal and construction are not discernible.",
                    "leather_description": "photos 1\u20132: black smooth leather or leather-like material with vertical stitched panels; surface shows creasing and uneven sheen.",
                    "lining_description": "photo 3: dark fabric lining is visible, with an interior zippered compartment; no brand label is visible.",
                    "strap_construction": "photos 1\u20132: short fixed top handle attached at both sides with small metal fittings; handle surface appears creased\/worn.",
                    "stitching_description": "photos 1\u20134: visible vertical stitching is generally straight and even, though close-up stitch quality is limited."
                },
                "possible_model_reasoning": [
                    "The kiss-lock frame and small top-handle silhouette could be a generic mid-century or later vintage frame purse, but it does not provide enough evidence for a Coach model match.",
                    "It does not visibly match a clearly identifiable Cashin-era Coach model, and no pre-creed Cashin label or metal Coach tag is shown.",
                    "Condition: Good to Very Good; visible creasing and handle wear are present, while the interior is only partially shown and the bottom is not shown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.72,
                "estimated_era": "unknown",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand label straight-on in raking light - photo 3 shows open interior but no patch visible",
                    "close-up of kisslock frame and handle anchor stamps or brand marks",
                    "photo of bottom, sides and handle underside for condition and construction",
                    "confirmation of lining material and any pockets or tags inside"
                ],
                "negative_evidence": [
                    "photo 1,2,4: silver-tone kisslock frame and rings, not solid brass vintage Coach hardware",
                    "photo 3: black satin-like fabric lining, not unlined suede-back glove-tanned and not 1960s Cashin striped\/plaid\/madras lining",
                    "photos 1,2,4,5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photos 1,2,4: vertical channel-stitched pleated body and wrapped top handle silhouette does not match Cashin kisslock models like Swinger\/Chubby Clutch\/Double Header"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock frame with rectangular clasp and small ring handle attachments; tone suggests plated base metal, not solid brass",
                    "leather_description": "black smooth leather with soft sheen, surface scuffing and fading, vertical channel seams on front and back",
                    "lining_description": "black satin-like fabric lining visible in photo 3, appears wrinkled; no suede interior seen",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight vertical channel stitching forming pleats on front and back; otherwise not_visible in close-up",
                    "strap_construction": "single short wrapped top handle attached with small metal rings to frame, not detachable dogleash or buckle-adjustable Coach strap",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,4: black leather kisslock-frame handbag of 1960s-70s type, a format Coach also made in Cashin era so shape alone prompts check",
                    "photo 4,5,6: ~12 in wide frame bag with top handle, consistent with vintage production"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo, so no Coach model can be ranked; kisslock frame plus silver hardware plus satin lining is inconsistent with 1960s-70s Cashin construction which uses solid brass and striped lining or unlined glove-tanned leather",
                    "Condition: Good; leather scuffed and faded with handle wear (photo 1,2), lining wrinkled but no holes seen (photo 3), frame function unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.06,
                "vintage_probability": 0.85
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18095,
            "output_tokens": 813,
            "total_tokens": 18908,
            "estimated_cost_usd": 0.009189
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18646,
            "output_tokens": 1538,
            "total_tokens": 20184,
            "estimated_cost_usd": 0.00496
        }
    ]
}