Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.215,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.82,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder handbag with a slouchy hobo silhouette.",
        "photo 1: Brown leather and a front flap\/button design are broadly compatible with many vintage leather bags, but not specifically Coach."
    ],
    "negative_evidence": [
        "photo 1: Front closure is a decorative round leather button with cord\/string fastening, not a recognizable Coach turnlock.",
        "photo 1: Front flap has a prominent leaf motif; no Coach wordmark, horse-and-carriage, or other visible Coach branding.",
        "photo 1: Visible construction appears generic and includes contrasting light edge piping\/binding not characteristic of classic Coach glove-tanned construction.",
        "photo 2: No Coach identifier is visible on the exterior.",
        "photo 6: Back is unbranded and lacks a visible Coach hangtag or logo.",
        "photo 1, photo 2: front exterior pocket uses folk-art leather button with lace tie and zigzag applique stitching - never a Coach closure or design language",
        "photo 1-6: no turnlock, no solid brass hardware, no brass dogleash\/lobster clips, no bead-chain hangtag visible",
        "photo 1, photo 6: no COACH wordmark, no horse-and-carriage, no creed patch visible",
        "photo 3, photo 4: wide single-ply strap with raw suede back sewn directly to body - not Coach strap construction with brass slides\/clips",
        "photo 6: top zip closure with silver-tone zipper teeth\/pull - inconsistent with vintage Coach brass Talon\/YKK and unlined classic construction"
    ],
    "missing_information": [
        "Straight-on interior photo showing the entire back wall and all pockets, where a creed patch or fabric brand tag might be located.",
        "Close-up of the zipper pull, interior labels, and any stamped leather or fabric tags.",
        "Bottom, corners, strap attachment points, and full interior photos.",
        "Seller-stated dimensions and photos of any hidden marks.",
        "photo of emptied interior and any interior patch \/ brand label - interior not shown",
        "close-up of zipper pull brand stamp",
        "bottom view showing corners and base construction"
    ],
    "authenticity_concerns": [
        "The decorative leaf-and-button closure and contrast edging suggest a generic or lookalike leather handbag rather than a Coach catalog design.",
        "No Coach identifiers are visible in the provided exterior photos; a hidden interior tag would be needed before considering Coach attribution."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible leaf applique, cord-fastened decorative button, generic hobo shape, and contrast edging.",
        "Condition: Good; visible edge wear\/fraying and surface marks at the lower edges and strap, while the body remains intact. Interior condition and odor are unknown.",
        "No Coach catalog silhouette matches: slouchy hobo with exterior flap-and-button lace pocket and sewn-on wide strap does not match City Bag, Ergo Hobo, Soho Hobo or other Coach hobos which use turnlock\/magnetic\/zip closures and brass hardware",
        "No hard identifiers visible in any of 6 photos to decode era or style",
        "Condition: Good to Very Good; leather supple with edge wear and light scuffs (photo 5, photo 6), strap intact but wavy (photo 3), interior and bottom unknown 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: Decorative leather-covered round button with crossed cord\/string closure; no Coach-marked hardware visible. photo 5: A metal zipper pull is visible but its branding is not legible.",
        "leather_description": "photo 1: Brown leather or leather-like material with a smooth, glossy finish; visibly thick-looking panels and contrasting light raw\/finished edging. Exact leather type cannot be confirmed.",
        "lining_description": "photo 1 and photo 5: A light patterned or textured fabric lining is partially visible near the top opening; the interior is not shown clearly enough to identify it.",
        "strap_construction": "photos 1, 3, and 4: Single wide shoulder strap, stitched construction, attached at the sides; edge wear and light-colored exposed edging are visible.",
        "stitching_description": "photos 1-6: Machine stitching is generally visible and mostly even, with some loose\/frayed areas and worn or contrasting edges around the strap and body."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0051,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder handbag with a slouchy hobo silhouette.",
                    "photo 1: Brown leather and a front flap\/button design are broadly compatible with many vintage leather bags, but not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: Front closure is a decorative round leather button with cord\/string fastening, not a recognizable Coach turnlock.",
                    "photo 1: Front flap has a prominent leaf motif; no Coach wordmark, horse-and-carriage, or other visible Coach branding.",
                    "photo 1: Visible construction appears generic and includes contrasting light edge piping\/binding not characteristic of classic Coach glove-tanned construction.",
                    "photo 2: No Coach identifier is visible on the exterior.",
                    "photo 6: Back is unbranded and lacks a visible Coach hangtag or logo."
                ],
                "missing_information": [
                    "Straight-on interior photo showing the entire back wall and all pockets, where a creed patch or fabric brand tag might be located.",
                    "Close-up of the zipper pull, interior labels, and any stamped leather or fabric tags.",
                    "Bottom, corners, strap attachment points, and full interior photos.",
                    "Seller-stated dimensions and photos of any hidden marks."
                ],
                "authenticity_concerns": [
                    "The decorative leaf-and-button closure and contrast edging suggest a generic or lookalike leather handbag rather than a Coach catalog design.",
                    "No Coach identifiers are visible in the provided exterior photos; a hidden interior tag would be needed before considering Coach attribution."
                ],
                "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: Decorative leather-covered round button with crossed cord\/string closure; no Coach-marked hardware visible. photo 5: A metal zipper pull is visible but its branding is not legible.",
                    "leather_description": "photo 1: Brown leather or leather-like material with a smooth, glossy finish; visibly thick-looking panels and contrasting light raw\/finished edging. Exact leather type cannot be confirmed.",
                    "lining_description": "photo 1 and photo 5: A light patterned or textured fabric lining is partially visible near the top opening; the interior is not shown clearly enough to identify it.",
                    "strap_construction": "photos 1, 3, and 4: Single wide shoulder strap, stitched construction, attached at the sides; edge wear and light-colored exposed edging are visible.",
                    "stitching_description": "photos 1-6: Machine stitching is generally visible and mostly even, with some loose\/frayed areas and worn or contrasting edges around the strap and body."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible leaf applique, cord-fastened decorative button, generic hobo shape, and contrast edging.",
                    "Condition: Good; visible edge wear\/fraying and surface marks at the lower edges and strap, while the body remains intact. Interior condition and odor are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of emptied interior and any interior patch \/ brand label - interior not shown",
                    "close-up of zipper pull brand stamp",
                    "bottom view showing corners and base construction"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: front exterior pocket uses folk-art leather button with lace tie and zigzag applique stitching - never a Coach closure or design language",
                    "photo 1-6: no turnlock, no solid brass hardware, no brass dogleash\/lobster clips, no bead-chain hangtag visible",
                    "photo 1, photo 6: no COACH wordmark, no horse-and-carriage, no creed patch visible",
                    "photo 3, photo 4: wide single-ply strap with raw suede back sewn directly to body - not Coach strap construction with brass slides\/clips",
                    "photo 6: top zip closure with silver-tone zipper teeth\/pull - inconsistent with vintage Coach brass Talon\/YKK and unlined classic construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass turnlock, buckle or D-rings visible; only silver-tone top zipper with flat pull seen in photo 6; front closure is leather disc button with leather lace",
                    "leather_description": "photo 1-6: dark chocolate brown soft leather hobo, slouchy, pebbled grain, raw\/unfinished edges with light wear",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 2: edge stitching around pocket and body, plus decorative zigzag topstitching on flap forming crown point; functional stitching uneven in places",
                    "strap_construction": "photo 3, photo 4: single wide flat leather shoulder strap, suede reverse, sewn directly to bag body at reinforced oval patches, non-adjustable, no buckle or clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: slouchy hobo with exterior flap-and-button lace pocket and sewn-on wide strap does not match City Bag, Ergo Hobo, Soho Hobo or other Coach hobos which use turnlock\/magnetic\/zip closures and brass hardware",
                    "No hard identifiers visible in any of 6 photos to decode era or style",
                    "Condition: Good to Very Good; leather supple with edge wear and light scuffs (photo 5, photo 6), strap intact but wavy (photo 3), interior and bottom unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28485,
            "output_tokens": 792,
            "total_tokens": 29277,
            "estimated_cost_usd": 0.013295
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30002,
            "output_tokens": 1281,
            "total_tokens": 31283,
            "estimated_cost_usd": 0.007025
        }
    ]
}