Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.515,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.74,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: compact leather crossbody handbag with a long adjustable shoulder strap and structured flap.",
        "photo 1: brown leather and brass-tone hardware could fit a vintage leather handbag generally.",
        "photo 1: leather handbag with brass-tone hardware",
        "photo 2: long adjustable crossbody strap in matching leather",
        "photo 5, photo 6: solid-looking brass-tone side hardware"
    ],
    "negative_evidence": [
        "photo 1: front flap has ornate embossed\/tooled floral decoration, unlike the plain glove-tanned leather commonly associated with classic vintage Coach.",
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
        "photo 4: closure appears to be a generic center strap\/tab rather than a recognizable Coach turnlock.",
        "photo 5: visible side hardware is generic-looking and does not show a Coach stamp.",
        "photo 1: all-over diagonal tooled\/embossed leaf pattern covering flap - never a vintage Coach glove-tanned classic finish",
        "photo 1: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
        "photo 1,4: closure is plain leather tab, no Coach turnlock present",
        "photo 1-6: silhouette with center tab and thin crossbody strap matches no catalog Coach style 1970s-1990s",
        "photo 3: leather has high-gloss tooled finish, not matte glove-tanned cowhide with natural scars\/veins"
    ],
    "missing_information": [
        "photo 1-7: interior is not shown; request an emptied interior, including the back wall, pockets, and any sewn-in leather creed patch or fabric tag.",
        "photo 1-7: bottom, back, and full strap-end construction are not shown.",
        "photo 1-7: request close-ups of all hardware, any zipper pulls, and any hidden labels or stamps.",
        "photo 1-6: interior never shown, creed patch cannot be checked",
        "photo 1-6: no bottom \/ corner-wear view, no back-wall view",
        "photo 1-6: no hangtag or wordmark close-up, no hardware stamp legible",
        "photo 5-6: side closure hardware only partly visible, function unknown"
    ],
    "authenticity_concerns": [
        "photo 1: ornate embossed leather and generic tab closure are more consistent with an unbranded leather or tooled-leather bag than a catalogued vintage Coach classic.",
        "photo 1-7: absence of a visible Coach identifier prevents a Coach attribution; this is not an authentication determination."
    ],
    "possible_model_reasoning": [
        "The compact flap crossbody silhouette is not enough to match a Coach model, and the embossed exterior does not closely match the listed classic Coach silhouettes.",
        "No creed, serial, hangtag, or Coach wordmark is visible, so no Coach era or model can be decoded.",
        "Condition: approximately Very Good from the visible exterior; leather remains intact with minor surface wear, but interior, bottom, and odor are unknown.",
        "No Coach model fits: tooled embossed pattern, tab closure, and lack of turnlock\/creed\/hangtag inconsistent with all classic glove-tanned models (City 9790, Willis 9927, Court 9870, Dinky 9375, etc.)",
        "Condition: Very Good to Excellent exterior - glossy finish intact, edges intact, no corner wear visible in limited views (photo 1, photo 3); interior, bottom and 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, photo 4, photo 5, photo 6: brass-tone rectangular and ring hardware at the strap attachments; no visible Coach engraving. The center flap uses a leather tab\/strap closure rather than a visible turnlock.",
        "leather_description": "photo 1, photo 3, photo 4: dark cherry-brown leather with glossy finish and extensive raised\/embossed floral and diagonal decoration; exact leather type cannot be determined.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1, photo 2, photo 6, photo 7: narrow matching leather shoulder strap with adjustable buckle hardware and riveted or snap-like attachment points; full strap construction is not shown.",
        "stitching_description": "photo 1, photo 3, photo 4: visible perimeter stitching appears generally even, though fine stitch quality and interior construction cannot be assessed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0059,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.68,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: compact leather crossbody handbag with a long adjustable shoulder strap and structured flap.",
                    "photo 1: brown leather and brass-tone hardware could fit a vintage leather handbag generally."
                ],
                "negative_evidence": [
                    "photo 1: front flap has ornate embossed\/tooled floral decoration, unlike the plain glove-tanned leather commonly associated with classic vintage Coach.",
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
                    "photo 4: closure appears to be a generic center strap\/tab rather than a recognizable Coach turnlock.",
                    "photo 5: visible side hardware is generic-looking and does not show a Coach stamp."
                ],
                "missing_information": [
                    "photo 1-7: interior is not shown; request an emptied interior, including the back wall, pockets, and any sewn-in leather creed patch or fabric tag.",
                    "photo 1-7: bottom, back, and full strap-end construction are not shown.",
                    "photo 1-7: request close-ups of all hardware, any zipper pulls, and any hidden labels or stamps."
                ],
                "authenticity_concerns": [
                    "photo 1: ornate embossed leather and generic tab closure are more consistent with an unbranded leather or tooled-leather bag than a catalogued vintage Coach classic.",
                    "photo 1-7: absence of a visible Coach identifier prevents a Coach attribution; this is not an authentication determination."
                ],
                "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, photo 4, photo 5, photo 6: brass-tone rectangular and ring hardware at the strap attachments; no visible Coach engraving. The center flap uses a leather tab\/strap closure rather than a visible turnlock.",
                    "leather_description": "photo 1, photo 3, photo 4: dark cherry-brown leather with glossy finish and extensive raised\/embossed floral and diagonal decoration; exact leather type cannot be determined.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1, photo 2, photo 6, photo 7: narrow matching leather shoulder strap with adjustable buckle hardware and riveted or snap-like attachment points; full strap construction is not shown.",
                    "stitching_description": "photo 1, photo 3, photo 4: visible perimeter stitching appears generally even, though fine stitch quality and interior construction cannot be assessed."
                },
                "possible_model_reasoning": [
                    "The compact flap crossbody silhouette is not enough to match a Coach model, and the embossed exterior does not closely match the listed classic Coach silhouettes.",
                    "No creed, serial, hangtag, or Coach wordmark is visible, so no Coach era or model can be decoded.",
                    "Condition: approximately Very Good from the visible exterior; leather remains intact with minor surface wear, but interior, bottom, and odor are unknown."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior never shown, creed patch cannot be checked",
                    "photo 1-6: no bottom \/ corner-wear view, no back-wall view",
                    "photo 1-6: no hangtag or wordmark close-up, no hardware stamp legible",
                    "photo 5-6: side closure hardware only partly visible, function unknown"
                ],
                "negative_evidence": [
                    "photo 1: all-over diagonal tooled\/embossed leaf pattern covering flap - never a vintage Coach glove-tanned classic finish",
                    "photo 1: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible",
                    "photo 1,4: closure is plain leather tab, no Coach turnlock present",
                    "photo 1-6: silhouette with center tab and thin crossbody strap matches no catalog Coach style 1970s-1990s",
                    "photo 3: leather has high-gloss tooled finish, not matte glove-tanned cowhide with natural scars\/veins"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone rectangular swivel clips at strap ends (photo 5, photo 6); no turnlock, no buckle stamp legible",
                    "leather_description": "dark cherry-brown leather with all-over diagonal embossed\/tooled leaf and line pattern and border, glossy finish (photo 1, photo 3, photo 4)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone edge stitching around flap perimeter visible (photo 3); no close-up to assess evenness",
                    "strap_construction": "narrow flat leather crossbody strap, snap-button loop attachment to side clips, adjustable buckle visible in photo 2",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag with brass-tone hardware",
                    "photo 2: long adjustable crossbody strap in matching leather",
                    "photo 5, photo 6: solid-looking brass-tone side hardware"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooled embossed pattern, tab closure, and lack of turnlock\/creed\/hangtag inconsistent with all classic glove-tanned models (City 9790, Willis 9927, Court 9870, Dinky 9375, etc.)",
                    "Condition: Very Good to Excellent exterior - glossy finish intact, edges intact, no corner wear visible in limited views (photo 1, photo 3); interior, bottom and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28787,
            "output_tokens": 841,
            "total_tokens": 29628,
            "estimated_cost_usd": 0.013533
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30099,
            "output_tokens": 1266,
            "total_tokens": 31365,
            "estimated_cost_usd": 0.007033
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    ]
}