Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.11,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.54,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.735,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a shoulder strap and zip-top construction.",
        "photo 1: A visible script-style emblem on the lower front appears to read Stone Mountain, supporting a different brand rather than Coach.",
        "photo 1: leather shoulder handbag of a type where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: No Coach wordmark, horse-and-carriage mark, creed patch, or Coach hangtag is visible.",
        "photo 1: The bag has pebbled leather or leather-like construction, silver-tone hardware, and a contemporary zip-top shoulder-bag design, which do not specifically indicate vintage Coach.",
        "photo 1: The visible front emblem appears to be a Stone Mountain logo, consistent with the seller's title.",
        "photo 1: embossed 'Stone Mountain' script logo visible on lower front - direct non-Coach brand identifier",
        "photo 1: zip-top hobo silhouette with center front seam and contrast stitching does not match vintage Coach classics",
        "photo 1: silver-tone hardware with buckle-adjust strap, not solid brass turnlock\/dogleash Coach construction",
        "photo 1: no Coach creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "Interior and back views, including any brand label or creed-like patch.",
        "Close-up photos of the front emblem, zipper pull, hardware, strap attachments, bottom, and corners.",
        "Seller-stated dimensions and material information.",
        "interior views including lining and any interior labels not shown",
        "back, side and bottom views not shown",
        "hardware close-ups and zipper brand stamp not shown",
        "creed patch view not shown - none expected for this brand"
    ],
    "authenticity_concerns": [
        "photo 1: The visible branding appears to identify Stone Mountain rather than Coach; there is no visible Coach identifier.",
        "photo 1: The contemporary pebbled construction and silver-tone hardware are inconsistent with a typical classic 1970s\u2013early-1990s Coach glove-tanned bag."
    ],
    "possible_model_reasoning": [
        "photo 1: The silhouette is a generic contemporary shoulder bag and does not closely match a documented classic Coach model.",
        "photo 1: The front emblem appears to read Stone Mountain, making a non-Coach identification substantially more likely.",
        "Condition: approximately Very Good based on the visible exterior, with no obvious major tears or severe corner loss; interior, odor, lining, and functional condition are unknown.",
        "Stone Mountain zip-top hobo identified by embossed Stone Mountain logo in photo 1, not a Coach catalog style",
        "No Coach identifiers visible: no creed, no COACH wordmark, no brass turnlock, no hangtag",
        "Construction - pebbled leather, contrast stitching, silver-tone buckle strap, zip closure - consistent with 2000s Stone Mountain, not 1970s-1990s Coach glove-tanned classics",
        "Condition: Good to Very Good from front only; light wear visible, corners\/bottom\/interior\/strap fold not shown so 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": "photo 1: Silver-tone snap\/button hardware is visible at the strap attachment and a zip-top closure is visible; no Coach engraving is readable.",
        "leather_description": "photo 1: Dark brown to near-black pebbled leather or leather-like material with a relatively contemporary finished appearance.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long, narrow shoulder strap with stitched edges and multiple adjustment holes or snaps near one attachment.",
        "stitching_description": "photo 1: Light contrasting stitching is visible along the horizontal front seam, center seam, strap, and lower corners; it appears generally even."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.58,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a shoulder strap and zip-top construction.",
                    "photo 1: A visible script-style emblem on the lower front appears to read Stone Mountain, supporting a different brand rather than Coach."
                ],
                "negative_evidence": [
                    "photo 1: No Coach wordmark, horse-and-carriage mark, creed patch, or Coach hangtag is visible.",
                    "photo 1: The bag has pebbled leather or leather-like construction, silver-tone hardware, and a contemporary zip-top shoulder-bag design, which do not specifically indicate vintage Coach.",
                    "photo 1: The visible front emblem appears to be a Stone Mountain logo, consistent with the seller's title."
                ],
                "missing_information": [
                    "Interior and back views, including any brand label or creed-like patch.",
                    "Close-up photos of the front emblem, zipper pull, hardware, strap attachments, bottom, and corners.",
                    "Seller-stated dimensions and material information."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible branding appears to identify Stone Mountain rather than Coach; there is no visible Coach identifier.",
                    "photo 1: The contemporary pebbled construction and silver-tone hardware are inconsistent with a typical classic 1970s\u2013early-1990s Coach glove-tanned bag."
                ],
                "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: Silver-tone snap\/button hardware is visible at the strap attachment and a zip-top closure is visible; no Coach engraving is readable.",
                    "leather_description": "photo 1: Dark brown to near-black pebbled leather or leather-like material with a relatively contemporary finished appearance.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long, narrow shoulder strap with stitched edges and multiple adjustment holes or snaps near one attachment.",
                    "stitching_description": "photo 1: Light contrasting stitching is visible along the horizontal front seam, center seam, strap, and lower corners; it appears generally even."
                },
                "possible_model_reasoning": [
                    "photo 1: The silhouette is a generic contemporary shoulder bag and does not closely match a documented classic Coach model.",
                    "photo 1: The front emblem appears to read Stone Mountain, making a non-Coach identification substantially more likely.",
                    "Condition: approximately Very Good based on the visible exterior, with no obvious major tears or severe corner loss; interior, odor, lining, and functional condition are unknown."
                ],
                "confidence": 0.62,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including lining and any interior labels not shown",
                    "back, side and bottom views not shown",
                    "hardware close-ups and zipper brand stamp not shown",
                    "creed patch view not shown - none expected for this brand"
                ],
                "negative_evidence": [
                    "photo 1: embossed 'Stone Mountain' script logo visible on lower front - direct non-Coach brand identifier",
                    "photo 1: zip-top hobo silhouette with center front seam and contrast stitching does not match vintage Coach classics",
                    "photo 1: silver-tone hardware with buckle-adjust strap, not solid brass turnlock\/dogleash Coach construction",
                    "photo 1: no Coach creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle at strap and small zipper pull visible; no turnlock; finish and detail not_visible in close-up",
                    "leather_description": "dark chocolate brown pebbled leather with soft slouch, visible grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching along front seam, center divider and strap edges",
                    "strap_construction": "single narrow shoulder strap with buckle-adjust holes on one side, fixed on other side",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather shoulder handbag of a type where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "Stone Mountain zip-top hobo identified by embossed Stone Mountain logo in photo 1, not a Coach catalog style",
                    "No Coach identifiers visible: no creed, no COACH wordmark, no brass turnlock, no hangtag",
                    "Construction - pebbled leather, contrast stitching, silver-tone buckle strap, zip closure - consistent with 2000s Stone Mountain, not 1970s-1990s Coach glove-tanned classics",
                    "Condition: Good to Very Good from front only; light wear visible, corners\/bottom\/interior\/strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19646,
            "output_tokens": 758,
            "total_tokens": 20404,
            "estimated_cost_usd": 0.009678
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20270,
            "output_tokens": 1429,
            "total_tokens": 21699,
            "estimated_cost_usd": 0.005197
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}