Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.59,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.83,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: the bag has a fabric-covered frame, gathered textile body, and generic metal closure rather than a recognizable Coach leather construction",
        "photo 4: the interior is fully fabric-lined with shiny synthetic-looking material, not an unlined or suede-backed Coach classic interior",
        "photo 1: the small attached coin purse and frame closure show no visible Coach wordmark, creed, hangtag, or horse-and-carriage identifier",
        "photo 3: the strap and attachment hardware appear generic and textile-based, with no visible Coach-specific construction or marking",
        "photo 6: hardware is plain and unbranded; no Coach engraving is visible",
        "photo 2, photo 3: body is brown woven fabric, not glove-tanned leather",
        "photo 4, photo 5: peach\/gold satin lining, not unlined suede interior of vintage Coach classics",
        "photo 1-6: kisslock frame closure with no turnlock, no solid brass Coach turnlock geometry",
        "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag visible",
        "photo 6: thin fabric cord strap with small rings, not Coach leather strap with brass slides\/dogleash clips"
    ],
    "missing_information": [
        "photo 1-6: no straight-on exterior view showing the complete bag and bottom",
        "photo 1-6: no close-up of any maker label, interior seam tag, or hardware markings",
        "photo 1-6: seller-stated 1930s-1950s dating is not independently supported by a label or provenance",
        "No leather creed patch visible in any interior view - photo 4 and photo 5 show full interior with no creed",
        "No COACH wordmark, hangtag, or hardware stamps visible - request close-ups if claimed",
        "No full exterior front\/back\/bottom views for condition grading",
        "No dimensions or scale object for model matching"
    ],
    "authenticity_concerns": [
        "The visible textile frame-bag construction and synthetic-looking lining are inconsistent with the vintage Coach leather handbag population",
        "No Coach identifier is visible, and the silhouette does not correspond to a recognizable Coach model"
    ],
    "possible_model_reasoning": [
        "The object is a frame handbag with a kisslock-style closure and attached coin purse, not a Coach catalog silhouette.",
        "The seller's 1930s-1950s description is unverified; the photos support a retro or vintage-inspired frame bag but do not establish a production date.",
        "Condition: Good\/Very Good visually; the bag is intact in the shown views, but the interior is wrinkled and the complete exterior, bottom, and odor status are unknown.",
        "Kisslock frame silhouette superficially resembles 1960s Cashin kisslock bags, but materials (woven fabric body, satin lining) and hardware are inconsistent with Coach glove-tanned leather and solid brass construction, so no Coach model match",
        "Condition: Good to Very Good for age; fabric appears intact, frame tarnished (photo 2, photo 3), interior satin shows light wear but no major stains visible (photo 4); full condition capped by missing exterior bottom\/corner views"
    ],
    "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 1-6: plain gold-tone frame clasp, frame trim, rings, and strap hardware; no visible branding",
        "leather_description": "photo 2-5: brown fabric exterior; no leather body is visible",
        "lining_description": "photo 4-5: gathered, shiny tan\/gold fabric lining with a small matching framed coin purse",
        "strap_construction": "photo 2-3 and 6: narrow brown fabric straps attached with small metal rings and tabs",
        "stitching_description": "photo 2-5: gathered textile construction is visible; stitching detail is limited but no obvious Coach-specific construction is shown"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.58,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: the bag has a fabric-covered frame, gathered textile body, and generic metal closure rather than a recognizable Coach leather construction",
                    "photo 4: the interior is fully fabric-lined with shiny synthetic-looking material, not an unlined or suede-backed Coach classic interior",
                    "photo 1: the small attached coin purse and frame closure show no visible Coach wordmark, creed, hangtag, or horse-and-carriage identifier",
                    "photo 3: the strap and attachment hardware appear generic and textile-based, with no visible Coach-specific construction or marking",
                    "photo 6: hardware is plain and unbranded; no Coach engraving is visible"
                ],
                "missing_information": [
                    "photo 1-6: no straight-on exterior view showing the complete bag and bottom",
                    "photo 1-6: no close-up of any maker label, interior seam tag, or hardware markings",
                    "photo 1-6: seller-stated 1930s-1950s dating is not independently supported by a label or provenance"
                ],
                "authenticity_concerns": [
                    "The visible textile frame-bag construction and synthetic-looking lining are inconsistent with the vintage Coach leather handbag population",
                    "No Coach identifier is visible, and the silhouette does not correspond to a recognizable 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": "photo 1-6: plain gold-tone frame clasp, frame trim, rings, and strap hardware; no visible branding",
                    "leather_description": "photo 2-5: brown fabric exterior; no leather body is visible",
                    "lining_description": "photo 4-5: gathered, shiny tan\/gold fabric lining with a small matching framed coin purse",
                    "strap_construction": "photo 2-3 and 6: narrow brown fabric straps attached with small metal rings and tabs",
                    "stitching_description": "photo 2-5: gathered textile construction is visible; stitching detail is limited but no obvious Coach-specific construction is shown"
                },
                "possible_model_reasoning": [
                    "The object is a frame handbag with a kisslock-style closure and attached coin purse, not a Coach catalog silhouette.",
                    "The seller's 1930s-1950s description is unverified; the photos support a retro or vintage-inspired frame bag but do not establish a production date.",
                    "Condition: Good\/Very Good visually; the bag is intact in the shown views, but the interior is wrinkled and the complete exterior, bottom, and odor status are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No leather creed patch visible in any interior view - photo 4 and photo 5 show full interior with no creed",
                    "No COACH wordmark, hangtag, or hardware stamps visible - request close-ups if claimed",
                    "No full exterior front\/back\/bottom views for condition grading",
                    "No dimensions or scale object for model matching"
                ],
                "negative_evidence": [
                    "photo 2, photo 3: body is brown woven fabric, not glove-tanned leather",
                    "photo 4, photo 5: peach\/gold satin lining, not unlined suede interior of vintage Coach classics",
                    "photo 1-6: kisslock frame closure with no turnlock, no solid brass Coach turnlock geometry",
                    "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag visible",
                    "photo 6: thin fabric cord strap with small rings, not Coach leather strap with brass slides\/dogleash clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone kisslock frame on main bag and on small attached coin purse (photo 1, photo 2, photo 3); tarnished frame, no COACH stamping visible",
                    "leather_description": "no leather visible; brown woven fabric exterior (photo 2, photo 3)",
                    "lining_description": "peach\/gold satin-like fabric lining, gathered at frame (photo 4, photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin burgundy-brown fabric cord double-strap, looped through frame rings (photo 2, photo 3)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Kisslock frame silhouette superficially resembles 1960s Cashin kisslock bags, but materials (woven fabric body, satin lining) and hardware are inconsistent with Coach glove-tanned leather and solid brass construction, so no Coach model match",
                    "Condition: Good to Very Good for age; fabric appears intact, frame tarnished (photo 2, photo 3), interior satin shows light wear but no major stains visible (photo 4); full condition capped by missing exterior bottom\/corner views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17748,
            "output_tokens": 785,
            "total_tokens": 18533,
            "estimated_cost_usd": 0.008983
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18083,
            "output_tokens": 1444,
            "total_tokens": 19527,
            "estimated_cost_usd": 0.004772
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}