Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.29,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.805,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather or leather-like bucket handbag with a shoulder strap and functional drawstring closure.",
        "photo 1: The two-tone western\/Americana styling is consistent with a wearable vintage-style handbag."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
        "photo 1: The bag uses extensive decorative woven trim, braided leather, embossed brown panels, and large ring hardware, which do not match the listed classic Coach construction cues.",
        "photo 3: Interior appears dark and lined, with no visible Coach creed or identifying label.",
        "photo 1: The prominent decorative concho-style fastener and western ornamentation are not characteristic of the Coach catalog models shown in the reference data.",
        "photo 1, photo 2, photo 3: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1, photo 2: basketweave-tooled brown leather, woven lacing trim, concho medallion and braided drawstring closure - not a Coach construction or trim",
        "photo 1, photo 2: large silver-tone eyelets, rings and snap - not vintage Coach solid-brass turnlock\/dogleash hardware",
        "photo 3: no creed patch on visible interior wall"
    ],
    "missing_information": [
        "photo 3: Interior label or any hidden brand tag is not readable or shown straight-on.",
        "A straight-on photo of the entire interior, including pockets and seams, is needed.",
        "Photos of the back, bottom, strap attachments, hardware backs, and any zipper or maker stamps are missing.",
        "Material composition and measurements are not provided.",
        "photo of interior emptied showing any maker stamp, creed patch or fabric label",
        "photo of hardware stamps and Made-in line",
        "photo of bottom, back and strap ends",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "The visible construction is more consistent with a generic western\/Americana leather bag than with Coach.",
        "No Coach identifier is visible; silhouette and leather styling alone are insufficient to attribute it to Coach.",
        "photo 1, photo 2: western Americana design language - basketweave-tooled leather, woven trim, concho medallion and braided drawstring - inconsistent with any Coach catalog line"
    ],
    "possible_model_reasoning": [
        "The bucket silhouette and drawstring closure do not closely match the listed classic Coach models, and no Coach style identifier is visible.",
        "The western decorative treatment, embossed panels, braided trim, and concho-like hardware point toward an unbranded or independent western leather-goods maker.",
        "Condition appears Good to Very Good from the visible photos: noticeable creasing and surface wear are present, while no major tears or broken hardware are visible; bottom and full strap condition remain unverified.",
        "No Coach silhouette match: drawstring bucket with western tooling and concho does not correspond to Duffle Sac (9085), Tribeca Bucket (9083) or other Coach buckets which are plain glove-tanned with brass hardware and creed",
        "Era reasoning: no identifier to date; tooled western style suggests non-Coach 1980s-2000s western brand, era unknown from photos alone",
        "Condition: Good to Very Good by photos; leather appears intact with normal creasing (photo 1, photo 2), full grade capped by missing bottom, interior and strap-detail views"
    ],
    "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: Large circular metal rings, small rivet-like hardware, decorative round concho-style closure, and metal strap rings are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Two-tone dark green and brown material with glossy, heavily embossed or textured brown panels and braided leather trim; exact material cannot be confirmed.",
        "lining_description": "photo 3: Dark lining is visible inside, but its material and any label are not readable.",
        "strap_construction": "photo 2: A long shoulder strap appears attached through metal rings; braided drawstring and multiple leather ties are visible.",
        "stitching_description": "photo 1: Visible stitching and woven trim appear decorative and generally even; close stress-point stitching is not fully shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0045,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather or leather-like bucket handbag with a shoulder strap and functional drawstring closure.",
                    "photo 1: The two-tone western\/Americana styling is consistent with a wearable vintage-style handbag."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag.",
                    "photo 1: The bag uses extensive decorative woven trim, braided leather, embossed brown panels, and large ring hardware, which do not match the listed classic Coach construction cues.",
                    "photo 3: Interior appears dark and lined, with no visible Coach creed or identifying label.",
                    "photo 1: The prominent decorative concho-style fastener and western ornamentation are not characteristic of the Coach catalog models shown in the reference data."
                ],
                "missing_information": [
                    "photo 3: Interior label or any hidden brand tag is not readable or shown straight-on.",
                    "A straight-on photo of the entire interior, including pockets and seams, is needed.",
                    "Photos of the back, bottom, strap attachments, hardware backs, and any zipper or maker stamps are missing.",
                    "Material composition and measurements are not provided."
                ],
                "authenticity_concerns": [
                    "The visible construction is more consistent with a generic western\/Americana leather bag than with Coach.",
                    "No Coach identifier is visible; silhouette and leather styling alone are insufficient to attribute it to Coach."
                ],
                "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: Large circular metal rings, small rivet-like hardware, decorative round concho-style closure, and metal strap rings are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: Two-tone dark green and brown material with glossy, heavily embossed or textured brown panels and braided leather trim; exact material cannot be confirmed.",
                    "lining_description": "photo 3: Dark lining is visible inside, but its material and any label are not readable.",
                    "strap_construction": "photo 2: A long shoulder strap appears attached through metal rings; braided drawstring and multiple leather ties are visible.",
                    "stitching_description": "photo 1: Visible stitching and woven trim appear decorative and generally even; close stress-point stitching is not fully shown."
                },
                "possible_model_reasoning": [
                    "The bucket silhouette and drawstring closure do not closely match the listed classic Coach models, and no Coach style identifier is visible.",
                    "The western decorative treatment, embossed panels, braided trim, and concho-like hardware point toward an unbranded or independent western leather-goods maker.",
                    "Condition appears Good to Very Good from the visible photos: noticeable creasing and surface wear are present, while no major tears or broken hardware are visible; bottom and full strap condition remain unverified."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: western Americana design language - basketweave-tooled leather, woven trim, concho medallion and braided drawstring - inconsistent with any Coach catalog line"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior emptied showing any maker stamp, creed patch or fabric label",
                    "photo of hardware stamps and Made-in line",
                    "photo of bottom, back and strap ends",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1, photo 2: basketweave-tooled brown leather, woven lacing trim, concho medallion and braided drawstring closure - not a Coach construction or trim",
                    "photo 1, photo 2: large silver-tone eyelets, rings and snap - not vintage Coach solid-brass turnlock\/dogleash hardware",
                    "photo 3: no creed patch on visible interior wall"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone eyelets, metal rings and round concho-type medallion on front; snap on drawstring keeper; not solid brass Coach turnlock hardware",
                    "leather_description": "two-tone leather - dark green smooth upper and tan-brown basketweave-tooled lower with woven laced trim and braided drawstring cords",
                    "lining_description": "not_visible - interior dark in photo 3, no lining material clearly shown, no pocket or patch legible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast light stitching around top edge and trim visible in photo 1; detail not close enough to assess evenness",
                    "strap_construction": "flat tooled-leather shoulder strap visible in photo 2, attachment details not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: drawstring bucket with western tooling and concho does not correspond to Duffle Sac (9085), Tribeca Bucket (9083) or other Coach buckets which are plain glove-tanned with brass hardware and creed",
                    "Era reasoning: no identifier to date; tooled western style suggests non-Coach 1980s-2000s western brand, era unknown from photos alone",
                    "Condition: Good to Very Good by photos; leather appears intact with normal creasing (photo 1, photo 2), full grade capped by missing bottom, interior and strap-detail views"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16603,
            "output_tokens": 788,
            "total_tokens": 17391,
            "estimated_cost_usd": 0.008532
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17022,
            "output_tokens": 1477,
            "total_tokens": 18499,
            "estimated_cost_usd": 0.004586
        }
    ]
}