Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.445,
    "confidence": 0.895,
    "recommended_max_bid": 20,
    "estimated_resale_low": 25,
    "estimated_resale_high": 65,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather tote handbag with handles and a detachable shoulder strap.",
        "photo 4: Interior leather label visibly reads HAMMIT, identifying a different brand.",
        "photo 1, photo 2, photo 3: leather handbag, assessed for misidentified Coach per procedure"
    ],
    "negative_evidence": [
        "photo 1: Decorative silver-tone studs, grommets, and clips do not match the typical solid-brass hardware of classic vintage Coach.",
        "photo 2: No visible Coach wordmark, horse-and-carriage, or Coach hangtag.",
        "photo 4: Interior label reads HAMMIT rather than COACH and the interior is red suede-like lining, not a visible classic Coach creed presentation.",
        "photo 1: The large studded tote silhouette and modern multi-strap construction do not correspond closely to the listed vintage Coach catalog styles.",
        "photo 4: interior leather patch embossed HAMMITT, not COACH creed",
        "photo 1, photo 2: silver-tone grommets, rivet\/stud side details and zip-top tote silhouette inconsistent with vintage Coach classics",
        "photo 4: red suede-like lining with Hammitt card slip, not unlined glove-tanned with Coach creed",
        "photo 2, photo 3: modern soft pebbled tan leather with nickel hardware, no brass turnlock, no hangtag, no wordmark"
    ],
    "missing_information": [
        "photo 4: The Hammit label is visible, but the zipper pull and any interior care or country-of-origin tag are not readable.",
        "A close-up of all hardware stamps and the full interior would be needed for a more complete brand and condition assessment.",
        "Seller-stated dimensions and any odor, lining damage, or strap defects are not provided.",
        "No Coach creed to request - bag is branded HAMMITT (photo 4)",
        "No Coach identifiers to verify; no further Coach-specific photos needed"
    ],
    "authenticity_concerns": [
        "photo 4: The visible HAMMIT branding is inconsistent with Coach manufacture; this appears to be a Hammit bag rather than a Coach bag.",
        "photo 1: Modern silver-tone stud and grommet hardware is inconsistent with a typical 1970s\u20131990s Coach classic."
    ],
    "possible_model_reasoning": [
        "The seller title identifies the item as a Hammit Medium Daniel tote, and photo 4 visibly supports the Hammit brand; no Coach model is a reasonable match.",
        "The bag has a modern tote construction with exterior studs, silver-tone hardware, red lining, and a detachable strap, supporting a modern non-Coach classification.",
        "Condition: Good to Very Good based on visible creasing and light surface wear; bottom, corners, and interior are shown but odor and hidden defects cannot be assessed.",
        "Title states Hammitt Medium Daniel Tan Leather Tote; photo 4 HAMMITT patch confirms non-Coach maker, so no Coach model applies",
        "Silhouette is modern zip-top tote with studs\/grommets and shoulder strap - no match to City Bag, Willis, Court, Station, Duffle Sac or other catalog styles",
        "Condition: Very Good to Excellent; leather clean with light softening, base corners intact (photo 3), interior clean (photo 4), hardware bright"
    ],
    "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": "Visible silver-tone studs, grommets, rings, buckles, and swivel clips; no Coach engraving is visible.",
        "leather_description": "Smooth tan\/brown leather with visible creasing and ordinary used wear; construction appears modern.",
        "lining_description": "Photo 4 shows a red suede-like or microfiber interior lining with a sewn leather HAMMIT label and interior zip pocket.",
        "strap_construction": "Two top handles plus a detachable adjustable shoulder strap attached with silver-tone swivel clips.",
        "stitching_description": "Visible stitching is generally straight and machine-sewn, with contrasting darker thread on exterior seams."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0262,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.86,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather tote handbag with handles and a detachable shoulder strap.",
                    "photo 4: Interior leather label visibly reads HAMMIT, identifying a different brand."
                ],
                "negative_evidence": [
                    "photo 1: Decorative silver-tone studs, grommets, and clips do not match the typical solid-brass hardware of classic vintage Coach.",
                    "photo 2: No visible Coach wordmark, horse-and-carriage, or Coach hangtag.",
                    "photo 4: Interior label reads HAMMIT rather than COACH and the interior is red suede-like lining, not a visible classic Coach creed presentation.",
                    "photo 1: The large studded tote silhouette and modern multi-strap construction do not correspond closely to the listed vintage Coach catalog styles."
                ],
                "missing_information": [
                    "photo 4: The Hammit label is visible, but the zipper pull and any interior care or country-of-origin tag are not readable.",
                    "A close-up of all hardware stamps and the full interior would be needed for a more complete brand and condition assessment.",
                    "Seller-stated dimensions and any odor, lining damage, or strap defects are not provided."
                ],
                "authenticity_concerns": [
                    "photo 4: The visible HAMMIT branding is inconsistent with Coach manufacture; this appears to be a Hammit bag rather than a Coach bag.",
                    "photo 1: Modern silver-tone stud and grommet hardware is inconsistent with a typical 1970s\u20131990s Coach classic."
                ],
                "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": "Visible silver-tone studs, grommets, rings, buckles, and swivel clips; no Coach engraving is visible.",
                    "leather_description": "Smooth tan\/brown leather with visible creasing and ordinary used wear; construction appears modern.",
                    "lining_description": "Photo 4 shows a red suede-like or microfiber interior lining with a sewn leather HAMMIT label and interior zip pocket.",
                    "strap_construction": "Two top handles plus a detachable adjustable shoulder strap attached with silver-tone swivel clips.",
                    "stitching_description": "Visible stitching is generally straight and machine-sewn, with contrasting darker thread on exterior seams."
                },
                "possible_model_reasoning": [
                    "The seller title identifies the item as a Hammit Medium Daniel tote, and photo 4 visibly supports the Hammit brand; no Coach model is a reasonable match.",
                    "The bag has a modern tote construction with exterior studs, silver-tone hardware, red lining, and a detachable strap, supporting a modern non-Coach classification.",
                    "Condition: Good to Very Good based on visible creasing and light surface wear; bottom, corners, and interior are shown but odor and hidden defects cannot be assessed."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 20,
                "estimated_resale_low": 25,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 70,
                "estimated_resale_low": 25,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed to request - bag is branded HAMMITT (photo 4)",
                    "No Coach identifiers to verify; no further Coach-specific photos needed"
                ],
                "negative_evidence": [
                    "photo 4: interior leather patch embossed HAMMITT, not COACH creed",
                    "photo 1, photo 2: silver-tone grommets, rivet\/stud side details and zip-top tote silhouette inconsistent with vintage Coach classics",
                    "photo 4: red suede-like lining with Hammitt card slip, not unlined glove-tanned with Coach creed",
                    "photo 2, photo 3: modern soft pebbled tan leather with nickel hardware, no brass turnlock, no hangtag, no wordmark"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal: side grommets, round studs\/rivets, zipper and dogleash-type shoulder strap clips; not solid brass turnlock",
                    "leather_description": "smooth soft tan leather, modern finish, visible grain\/soft drape",
                    "lining_description": "red suede-like lining with interior zip pocket, photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching, center seam on back panel photo 2, edge stitching on base photo 3",
                    "strap_construction": "double top handles on metal rings plus detachable adjustable flat shoulder strap with buckle",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2, photo 3: leather handbag, assessed for misidentified Coach per procedure"
                ],
                "possible_model_reasoning": [
                    "Title states Hammitt Medium Daniel Tan Leather Tote; photo 4 HAMMITT patch confirms non-Coach maker, so no Coach model applies",
                    "Silhouette is modern zip-top tote with studs\/grommets and shoulder strap - no match to City Bag, Willis, Court, Station, Duffle Sac or other catalog styles",
                    "Condition: Very Good to Excellent; leather clean with light softening, base corners intact (photo 3), interior clean (photo 4), hardware bright"
                ],
                "possible_models": [],
                "recommended_max_bid": 20,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17121,
            "output_tokens": 854,
            "total_tokens": 17975,
            "estimated_cost_usd": 0.008898
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17584,
            "output_tokens": 1328,
            "total_tokens": 18912,
            "estimated_cost_usd": 0.004579
        }
    ]
}