Vintage Coach Hunter

{
    "is_handbag_probability": 0.915,
    "coach_probability": 0.035,
    "vintage_probability": 0.085,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.75,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.78,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: substantial leather-looking handbag with brass-tone rings and multiple compartments.",
        "photo 1: seller identifies it as unbranded, which does not rule out Coach, but no Coach-specific identifier is visible.",
        "photo 1, photo 2: black leather-like bag with brass-tone hardware - broad population where misidentified Coach could hide, but no specific Coach cue"
    ],
    "negative_evidence": [
        "photo 1: large multi-pocket weekend\/commuter silhouette does not closely match the listed classic vintage Coach shapes.",
        "photo 1: front closures are generic strap-and-ring\/buckle details rather than a recognizable Coach turnlock.",
        "photo 2: black fabric lining is visible; this is inconsistent with many classic unlined glove-tanned Coach bags.",
        "photo 3: zipper pulls and hardware appear generic, with no legible Coach marking.",
        "photo 4: interior shows plain black textile lining and no visible creed patch or brand label.",
        "photo 1: smooth\/pebbled fashion-leather construction and extensive utility pockets are more typical of a generic modern leather bag than vintage Coach.",
        "photo 1, photo 2: large weekend duffle silhouette with twin exterior buckle flap pockets - no matching vintage Coach catalog style",
        "photo 4: black woven fabric lining - vintage Coach classics are unlined suede, not fabric-lined",
        "photo 1-3: thin brass-tone D-rings, buckles and zipper - not solid brass vintage Coach hardware with turnlock geometry",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
        "photo 3: rectangular generic zipper pull with no visible Talon\/YKK\/Coach stamp"
    ],
    "missing_information": [
        "photo request: straight-on close-up of every interior wall and pocket for a possible creed or brand label.",
        "photo request: close-ups of all zipper pulls, hardware, and any sewn-in fabric tags.",
        "photo request: bottom, corners, strap attachments, and full interior emptied for condition and construction assessment.",
        "seller-stated dimensions, country of manufacture, and any markings not shown in the listing photos.",
        "photo 4: interior shows no creed patch, hangtag, or fabric brand tag - close-up of any interior labels not shown",
        "photo 3: zipper pull brand stamp not legible - close-up needed",
        "no bottom, side, or hardware engraving close-ups shown",
        "seller-stated dimensions and material (leather vs faux) not provided"
    ],
    "authenticity_concerns": [
        "No visible Coach wordmark, horse-and-carriage, creed, serial\/style number, hangtag, or other Coach identifier across the provided photos.",
        "The lined, generic multi-pocket construction does not provide a convincing match to a documented vintage Coach model.",
        "The listing's unbranded designation is consistent with the absence of visible brand evidence; seller text alone cannot establish provenance."
    ],
    "possible_model_reasoning": [
        "The bag is clearly a handbag\/weekender-style carryall, but its large body, multiple exterior flap pockets, twin handles, and plain textile lining do not closely match the classic Coach catalog models.",
        "No Coach style number is visible, so no catalog model or date code can be decoded.",
        "Condition: Very Good based on generally intact leather and hardware with minor visible creasing; interior is only partly shown and odor, mold, and concealed wear are unknown.",
        "No Coach model fits: twin buckle-pocket weekend duffle with fabric lining and zip top does not match Duffle Sac (9085), Berkeley XL Duffle (9010), or any classic glove-tanned style",
        "No creed, serial, wordmark, turnlock, or hangtag to decode era or style",
        "Construction read (fabric lining, thin plated hardware, buckle pocket flaps) points to modern generic, not 1970s-1990s unlined glove-tanned Coach",
        "Condition: Good to Very Good for generic; light surface wear visible, handles intact, interior appears clean in photo 4, but bottom corners and full exterior not fully shown so 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: brass-tone rings and strap hardware; photo 3: generic zipper pulls, with no visible brand engraving. No classic Coach turnlock is visible.",
        "leather_description": "photos 1-3: black leather-looking, lightly pebbled\/smooth exterior with padded or structured panels; exact leather type is not verifiable from photos.",
        "lining_description": "photo 4: plain black textile lining is visible inside the main compartment; no brand label or creed is visible.",
        "strap_construction": "photos 1-3: twin rounded carry handles attached with leather tabs and rings; additional side\/shoulder attachment hardware is visible, but a full detachable strap is not shown.",
        "stitching_description": "photos 1-3: generally even machine stitching with decorative geometric reinforcement patches; no obvious Coach-specific construction cue is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.12,
                "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: substantial leather-looking handbag with brass-tone rings and multiple compartments.",
                    "photo 1: seller identifies it as unbranded, which does not rule out Coach, but no Coach-specific identifier is visible."
                ],
                "negative_evidence": [
                    "photo 1: large multi-pocket weekend\/commuter silhouette does not closely match the listed classic vintage Coach shapes.",
                    "photo 1: front closures are generic strap-and-ring\/buckle details rather than a recognizable Coach turnlock.",
                    "photo 2: black fabric lining is visible; this is inconsistent with many classic unlined glove-tanned Coach bags.",
                    "photo 3: zipper pulls and hardware appear generic, with no legible Coach marking.",
                    "photo 4: interior shows plain black textile lining and no visible creed patch or brand label.",
                    "photo 1: smooth\/pebbled fashion-leather construction and extensive utility pockets are more typical of a generic modern leather bag than vintage Coach."
                ],
                "missing_information": [
                    "photo request: straight-on close-up of every interior wall and pocket for a possible creed or brand label.",
                    "photo request: close-ups of all zipper pulls, hardware, and any sewn-in fabric tags.",
                    "photo request: bottom, corners, strap attachments, and full interior emptied for condition and construction assessment.",
                    "seller-stated dimensions, country of manufacture, and any markings not shown in the listing photos."
                ],
                "authenticity_concerns": [
                    "No visible Coach wordmark, horse-and-carriage, creed, serial\/style number, hangtag, or other Coach identifier across the provided photos.",
                    "The lined, generic multi-pocket construction does not provide a convincing match to a documented vintage Coach model.",
                    "The listing's unbranded designation is consistent with the absence of visible brand evidence; seller text alone cannot establish provenance."
                ],
                "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: brass-tone rings and strap hardware; photo 3: generic zipper pulls, with no visible brand engraving. No classic Coach turnlock is visible.",
                    "leather_description": "photos 1-3: black leather-looking, lightly pebbled\/smooth exterior with padded or structured panels; exact leather type is not verifiable from photos.",
                    "lining_description": "photo 4: plain black textile lining is visible inside the main compartment; no brand label or creed is visible.",
                    "strap_construction": "photos 1-3: twin rounded carry handles attached with leather tabs and rings; additional side\/shoulder attachment hardware is visible, but a full detachable strap is not shown.",
                    "stitching_description": "photos 1-3: generally even machine stitching with decorative geometric reinforcement patches; no obvious Coach-specific construction cue is visible."
                },
                "possible_model_reasoning": [
                    "The bag is clearly a handbag\/weekender-style carryall, but its large body, multiple exterior flap pockets, twin handles, and plain textile lining do not closely match the classic Coach catalog models.",
                    "No Coach style number is visible, so no catalog model or date code can be decoded.",
                    "Condition: Very Good based on generally intact leather and hardware with minor visible creasing; interior is only partly shown and odor, mold, and concealed wear are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.85,
                "missing_information": [
                    "photo 4: interior shows no creed patch, hangtag, or fabric brand tag - close-up of any interior labels not shown",
                    "photo 3: zipper pull brand stamp not legible - close-up needed",
                    "no bottom, side, or hardware engraving close-ups shown",
                    "seller-stated dimensions and material (leather vs faux) not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: large weekend duffle silhouette with twin exterior buckle flap pockets - no matching vintage Coach catalog style",
                    "photo 4: black woven fabric lining - vintage Coach classics are unlined suede, not fabric-lined",
                    "photo 1-3: thin brass-tone D-rings, buckles and zipper - not solid brass vintage Coach hardware with turnlock geometry",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible in any view",
                    "photo 3: rectangular generic zipper pull with no visible Talon\/YKK\/Coach stamp"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone D-rings at handle anchors, small buckle rings on front pockets, top zip with rectangular pull; thin plated appearance, not heavy solid brass turnlock or dogleash hardware",
                    "leather_description": "black pebbled-grain smooth exterior, uniform sheen; grain looks embossed\/coated, cannot confirm full-grain glove-tanned from photos",
                    "lining_description": "photo 4: black woven fabric lining inside main compartment, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge stitching around pocket flaps and handle tabs, even but no detail to indicate Coach-matched thread or construction",
                    "strap_construction": "dual short top handles riveted to tabs anchored with D-rings; no detachable crossbody strap, no buckle adjustment, no dowel or dogleash clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: black leather-like bag with brass-tone hardware - broad population where misidentified Coach could hide, but no specific Coach cue"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: twin buckle-pocket weekend duffle with fabric lining and zip top does not match Duffle Sac (9085), Berkeley XL Duffle (9010), or any classic glove-tanned style",
                    "No creed, serial, wordmark, turnlock, or hangtag to decode era or style",
                    "Construction read (fabric lining, thin plated hardware, buckle pocket flaps) points to modern generic, not 1970s-1990s unlined glove-tanned Coach",
                    "Condition: Good to Very Good for generic; light surface wear visible, handles intact, interior appears clean in photo 4, but bottom corners and full exterior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17108,
            "output_tokens": 954,
            "total_tokens": 18062,
            "estimated_cost_usd": 0.009133
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17570,
            "output_tokens": 1228,
            "total_tokens": 18798,
            "estimated_cost_usd": 0.004496
        }
    ]
}