Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.835,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: the bag has an all-over embossed floral pattern and a glossy, structured satchel design rather than a recognizable vintage Coach classic silhouette.",
        "photo 1: the interior shows a fabric lining, multiple dark\/plated zipper tracks, and a small embossed script logo patch rather than a visible Coach creed.",
        "photo 1: no legible COACH wordmark, horse-and-carriage mark, creed wording, or serial\/style number is visible.",
        "photo 2: the top-handle attachments and decorative embossed leather appear more consistent with a generic or other-brand fashion satchel than vintage Coach construction.",
        "photo 1: interior patch is not a Coach creed - no COACH lozenge, no THIS IS A COACH BAG text, no No. number",
        "photo 1: tan suede-like \/ fabric lining with interior zip pocket, not unlined glove-tanned suede-back classic interior",
        "photo 2: all-over embossed floral tooled leather exterior, not smooth glove-tanned cowhide used on vintage Coach classics",
        "photo 2: no turnlock, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2: short rolled top handles on rings with rivets, not a catalog Coach silhouette like Willis, Court, Station, Dinky"
    ],
    "missing_information": [
        "photo 1: the small interior logo patch is too indistinct to identify; request a sharp straight-on close-up.",
        "No straight-on interior-wall photo showing the entire lining, all labels, or any fabric tags.",
        "No close-ups of hardware, zipper pulls, bottom, corners, or strap attachment points.",
        "No seller-stated dimensions or material composition.",
        "front, back, side, bottom views to assess wear and shape",
        "seller-stated dimensions for scale",
        "hardware close-ups including zipper brand"
    ],
    "authenticity_concerns": [
        "photo 1: the visible interior label is not a Coach creed and does not show the required creed wording or serial format.",
        "photo 2: the embossed floral pattern and glossy construction provide no Coach-specific identifying evidence; this appears to be a non-Coach lookalike or unrelated brand.",
        "photo 1: interior leather patch is a script brand label with flower motif, not a Coach creed wording, No. line, or country line",
        "photo 2: all-over embossed floral tooled leather finish inconsistent with vintage Coach glove-tanned classics"
    ],
    "possible_model_reasoning": [
        "photo 2: the medium rectangular zip-top satchel with embossed floral exterior does not match the documented silhouettes of likely vintage Coach models such as Willis, Court, Station, or City Bag.",
        "photo 1: no readable serial or creed is present to support a Coach-era assignment.",
        "Condition: approximately Very Good based on the visible exterior, with some creasing and light surface marks; bottom, corners, and full interior are not shown, so condition cannot be fully graded.",
        "Not a Coach model: interior label is other brand script with flower, likely Patricia Nash type tooled satchel, and silhouette, tooled leather, and lining do not match any Coach catalog style",
        "Era reasoning: tooled embossed floral satchel with fabric lining points to modern (2000s+) non-Coach department-store brand",
        "Condition: Good to Very Good from limited views; photo 2 shows intact shape and surface with no major wear visible, but bottom corners, interior, and strap folds not fully 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: multiple dark\/plated zipper tracks are visible; photo 2: small round metal fasteners and ring attachments are visible. No Coach engraving is legible.",
        "leather_description": "photo 2: brown glossy material with extensive embossed floral decoration; exact material cannot be confirmed from photos.",
        "lining_description": "photo 1: brown\/tan fabric-like lining is visible, with a small rectangular embossed script patch; text is not legible.",
        "strap_construction": "photo 2: two top handles attached with leather tabs and round rings; a long shoulder strap is visible behind the handles but its full construction is not shown.",
        "stitching_description": "photo 1 and photo 2: contrasting light stitching appears generally even along visible seams; close inspection of all stress points is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: the bag has an all-over embossed floral pattern and a glossy, structured satchel design rather than a recognizable vintage Coach classic silhouette.",
                    "photo 1: the interior shows a fabric lining, multiple dark\/plated zipper tracks, and a small embossed script logo patch rather than a visible Coach creed.",
                    "photo 1: no legible COACH wordmark, horse-and-carriage mark, creed wording, or serial\/style number is visible.",
                    "photo 2: the top-handle attachments and decorative embossed leather appear more consistent with a generic or other-brand fashion satchel than vintage Coach construction."
                ],
                "missing_information": [
                    "photo 1: the small interior logo patch is too indistinct to identify; request a sharp straight-on close-up.",
                    "No straight-on interior-wall photo showing the entire lining, all labels, or any fabric tags.",
                    "No close-ups of hardware, zipper pulls, bottom, corners, or strap attachment points.",
                    "No seller-stated dimensions or material composition."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible interior label is not a Coach creed and does not show the required creed wording or serial format.",
                    "photo 2: the embossed floral pattern and glossy construction provide no Coach-specific identifying evidence; this appears to be a non-Coach lookalike or unrelated brand."
                ],
                "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: multiple dark\/plated zipper tracks are visible; photo 2: small round metal fasteners and ring attachments are visible. No Coach engraving is legible.",
                    "leather_description": "photo 2: brown glossy material with extensive embossed floral decoration; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 1: brown\/tan fabric-like lining is visible, with a small rectangular embossed script patch; text is not legible.",
                    "strap_construction": "photo 2: two top handles attached with leather tabs and round rings; a long shoulder strap is visible behind the handles but its full construction is not shown.",
                    "stitching_description": "photo 1 and photo 2: contrasting light stitching appears generally even along visible seams; close inspection of all stress points is unavailable."
                },
                "possible_model_reasoning": [
                    "photo 2: the medium rectangular zip-top satchel with embossed floral exterior does not match the documented silhouettes of likely vintage Coach models such as Willis, Court, Station, or City Bag.",
                    "photo 1: no readable serial or creed is present to support a Coach-era assignment.",
                    "Condition: approximately Very Good based on the visible exterior, with some creasing and light surface marks; bottom, corners, and full interior are not shown, so condition cannot be fully graded."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: interior leather patch is a script brand label with flower motif, not a Coach creed wording, No. line, or country line",
                    "photo 2: all-over embossed floral tooled leather finish inconsistent with vintage Coach glove-tanned classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "front, back, side, bottom views to assess wear and shape",
                    "seller-stated dimensions for scale",
                    "hardware close-ups including zipper brand"
                ],
                "negative_evidence": [
                    "photo 1: interior patch is not a Coach creed - no COACH lozenge, no THIS IS A COACH BAG text, no No. number",
                    "photo 1: tan suede-like \/ fabric lining with interior zip pocket, not unlined glove-tanned suede-back classic interior",
                    "photo 2: all-over embossed floral tooled leather exterior, not smooth glove-tanned cowhide used on vintage Coach classics",
                    "photo 2: no turnlock, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2: short rolled top handles on rings with rivets, not a catalog Coach silhouette like Willis, Court, Station, Dinky"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone rings and rivets at handle attachments; zip closure with metallic teeth; no turnlock visible",
                    "leather_description": "medium brown leather with all-over embossed floral \/ western tooled pattern, glossy finish",
                    "lining_description": "tan suede-like fabric lining in interior pocket area",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching around exterior edges and interior trim, even but not Coach-evaluated",
                    "strap_construction": "dual short rolled top handles attached via riveted tabs and metal rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach model: interior label is other brand script with flower, likely Patricia Nash type tooled satchel, and silhouette, tooled leather, and lining do not match any Coach catalog style",
                    "Era reasoning: tooled embossed floral satchel with fabric lining points to modern (2000s+) non-Coach department-store brand",
                    "Condition: Good to Very Good from limited views; photo 2 shows intact shape and surface with no major wear visible, but bottom corners, interior, and strap folds not fully shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18573,
            "output_tokens": 796,
            "total_tokens": 19369,
            "estimated_cost_usd": 0.00934
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19024,
            "output_tokens": 1424,
            "total_tokens": 20448,
            "estimated_cost_usd": 0.004944
        }
    ]
}