Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.855,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder handbag with a flap, adjustable strap, and interior zipper compartment.",
        "photo 1: gold-tone strap buckle and hardware are visible.",
        "photo 1-3: leather flap shoulder handbag silhouette broadly of 1970s-1980s type",
        "photo 3: full front view in reasonable focus allowing leather and construction read"
    ],
    "negative_evidence": [
        "photo 1: glossy, heavily textured eel-skin exterior is not the smooth glove-tanned cowhide associated with classic vintage Coach.",
        "photo 4: black fabric-lined interior is visible; no Coach-style leather creed patch can be seen.",
        "photos 1-4: no legible COACH wordmark, horse-and-carriage mark, Coach hangtag, or recognizable Coach hardware is visible.",
        "photos 1-3: silhouette and construction appear generic rather than a documented vintage Coach model.",
        "listing title: seller states Korea-made and eel-skin construction; this is seller-written rather than photo-verified, but it is inconsistent with a 1970s Coach attribution.",
        "photo 1-3: black eel-skin pieced glossy leather, not glove-tanned cowhide",
        "photo 4: magnetic snap closure under flap, not Coach turnlock geometry",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 4: black fabric-lined interior with center zip divider, not unlined suede-back glove-tanned",
        "seller title states Korea Made For Aphrodite Co - inconsistent with Coach country lines for 1970s classics"
    ],
    "missing_information": [
        "photo 4: close-up of the entire interior, including both side walls, pockets, and any sewn-in labels.",
        "photo 4: close-up of the small label or tag partially visible near the left interior side.",
        "photo 1: close-ups of all hardware, zipper pull, strap attachment points, and any markings.",
        "photo 5: bottom, corners, and side views for condition assessment.",
        "seller-stated dimensions and confirmation of whether any brand marking appears elsewhere.",
        "creed patch close-up not shown - no stamped leather patch visible in interior photo 4",
        "hardware brand stamps (zipper pull, snap, buckle) not shown legibly",
        "bottom and corners close-up not shown",
        "fabric content \/ Made-in label close-up to confirm Korea and Aphrodite Co"
    ],
    "authenticity_concerns": [
        "The seller's claimed 1970s date is not supported by visible Coach identifiers or construction.",
        "The seller's stated Korea origin would be inconsistent with a purported 1970s Coach classic; Korea is not an appropriate origin marker for that era in the Coach reference timeline.",
        "The glossy eel-skin material and fabric lining are inconsistent with the classic unlined glove-tanned Coach handbag construction.",
        "photo 1-4: eel-skin pieced glossy leather inconsistent with vintage Coach glove-tanned cowhide",
        "seller title states Made in Korea - Korea on a 1970s-styled bag is a classic fake marker per skill, Korea only c.2005 sourcing country",
        "no Coach creed, wordmark, hangtag or solid-brass turnlock visible"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible flap, gusseted shape, glossy eel-skin material, and fabric-lined interior.",
        "The visible construction is more consistent with a generic or specialty eel-skin shoulder handbag than with a vintage Coach classic.",
        "Condition: Good to Very Good based on visible creasing and wrinkling of the exterior; corners, underside, odor, and full interior condition are not adequately shown.",
        "Not a Coach model: eel skin material, magnetic closure, Korea origin for Aphrodite Co, and absence of any Coach hard identifier rule out catalog styles City Bag, Court, Station, etc.",
        "Condition: Very Good; glossy surface with creasing\/wrinkling but no visible tears, corners intact in photos 1-3, interior dark but not visibly stained in photo 4, bottom and strap fold not 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": "Gold-tone strap buckle, snap closure, and side attachment hardware are visible in photos 1 and 4; no Coach engraving is visible.",
        "leather_description": "Glossy black, vertically paneled and strongly textured skin-like material, consistent with the seller's eel-skin description; exact material cannot be independently confirmed from photos.",
        "lining_description": "Black fabric lining with a central zippered compartment is visible in photo 4; brand label and material details are not legible.",
        "strap_construction": "Single adjustable shoulder strap with a gold-tone buckle; strap attachment hardware is visible in photos 1 and 4.",
        "stitching_description": "Vertical panel seams and perimeter piping are visible; stitching appears generally regular, though fine stitch quality is not sufficiently detailed for authentication."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a shoulder handbag with a flap, adjustable strap, and interior zipper compartment.",
                    "photo 1: gold-tone strap buckle and hardware are visible."
                ],
                "negative_evidence": [
                    "photo 1: glossy, heavily textured eel-skin exterior is not the smooth glove-tanned cowhide associated with classic vintage Coach.",
                    "photo 4: black fabric-lined interior is visible; no Coach-style leather creed patch can be seen.",
                    "photos 1-4: no legible COACH wordmark, horse-and-carriage mark, Coach hangtag, or recognizable Coach hardware is visible.",
                    "photos 1-3: silhouette and construction appear generic rather than a documented vintage Coach model.",
                    "listing title: seller states Korea-made and eel-skin construction; this is seller-written rather than photo-verified, but it is inconsistent with a 1970s Coach attribution."
                ],
                "missing_information": [
                    "photo 4: close-up of the entire interior, including both side walls, pockets, and any sewn-in labels.",
                    "photo 4: close-up of the small label or tag partially visible near the left interior side.",
                    "photo 1: close-ups of all hardware, zipper pull, strap attachment points, and any markings.",
                    "photo 5: bottom, corners, and side views for condition assessment.",
                    "seller-stated dimensions and confirmation of whether any brand marking appears elsewhere."
                ],
                "authenticity_concerns": [
                    "The seller's claimed 1970s date is not supported by visible Coach identifiers or construction.",
                    "The seller's stated Korea origin would be inconsistent with a purported 1970s Coach classic; Korea is not an appropriate origin marker for that era in the Coach reference timeline.",
                    "The glossy eel-skin material and fabric lining are inconsistent with the classic unlined glove-tanned Coach handbag construction."
                ],
                "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": "Gold-tone strap buckle, snap closure, and side attachment hardware are visible in photos 1 and 4; no Coach engraving is visible.",
                    "leather_description": "Glossy black, vertically paneled and strongly textured skin-like material, consistent with the seller's eel-skin description; exact material cannot be independently confirmed from photos.",
                    "lining_description": "Black fabric lining with a central zippered compartment is visible in photo 4; brand label and material details are not legible.",
                    "strap_construction": "Single adjustable shoulder strap with a gold-tone buckle; strap attachment hardware is visible in photos 1 and 4.",
                    "stitching_description": "Vertical panel seams and perimeter piping are visible; stitching appears generally regular, though fine stitch quality is not sufficiently detailed for authentication."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible flap, gusseted shape, glossy eel-skin material, and fabric-lined interior.",
                    "The visible construction is more consistent with a generic or specialty eel-skin shoulder handbag than with a vintage Coach classic.",
                    "Condition: Good to Very Good based on visible creasing and wrinkling of the exterior; corners, underside, odor, and full interior condition are not adequately shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: eel-skin pieced glossy leather inconsistent with vintage Coach glove-tanned cowhide",
                    "seller title states Made in Korea - Korea on a 1970s-styled bag is a classic fake marker per skill, Korea only c.2005 sourcing country",
                    "no Coach creed, wordmark, hangtag or solid-brass turnlock visible"
                ],
                "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": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch close-up not shown - no stamped leather patch visible in interior photo 4",
                    "hardware brand stamps (zipper pull, snap, buckle) not shown legibly",
                    "bottom and corners close-up not shown",
                    "fabric content \/ Made-in label close-up to confirm Korea and Aphrodite Co"
                ],
                "negative_evidence": [
                    "photo 1-3: black eel-skin pieced glossy leather, not glove-tanned cowhide",
                    "photo 4: magnetic snap closure under flap, not Coach turnlock geometry",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 4: black fabric-lined interior with center zip divider, not unlined suede-back glove-tanned",
                    "seller title states Korea Made For Aphrodite Co - inconsistent with Coach country lines for 1970s classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone hardware: small buckle on adjustable strap, magnetic snap on flap underside (photo 4), side strap anchor clips; bright plated appearance, not solid brass turnlock",
                    "leather_description": "black glossy eel-skin with vertical pieced strips visible in photos 1-3, shiny finish",
                    "lining_description": "black dark interior in photo 4, appears fabric\/suede with center zip compartment, zipper with small pull",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching around flap edge visible in photos 1 and 3",
                    "strap_construction": "thin flat adjustable shoulder strap with buckle slide, fixed to bag sides, photos 1-3",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3: leather flap shoulder handbag silhouette broadly of 1970s-1980s type",
                    "photo 3: full front view in reasonable focus allowing leather and construction read"
                ],
                "possible_model_reasoning": [
                    "Not a Coach model: eel skin material, magnetic closure, Korea origin for Aphrodite Co, and absence of any Coach hard identifier rule out catalog styles City Bag, Court, Station, etc.",
                    "Condition: Very Good; glossy surface with creasing\/wrinkling but no visible tears, corners intact in photos 1-3, interior dark but not visibly stained in photo 4, bottom and strap fold not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23780,
            "output_tokens": 879,
            "total_tokens": 24659,
            "estimated_cost_usd": 0.011622
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24786,
            "output_tokens": 1487,
            "total_tokens": 26273,
            "estimated_cost_usd": 0.006147
        }
    ]
}