Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.045,
    "vintage_probability": 0.15,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.75,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.79,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-like black flap crossbody silhouette and rear zip pocket are compatible with a handbag, but not specifically with Coach",
        "photo 4: seller measurement appears consistent with a small crossbody bag",
        "photo 1-2: unlined suede-back interior, which is seen on vintage Coach but also on many generic leather bags",
        "photo 1,4,5,6: genuine leather appearance with broken-in wrinkles"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, carriage, creed patch, or recognizable Coach hardware",
        "photo 1: simple snap closure rather than a Coach-style turnlock",
        "photo 2: interior appears black fuzzy\/textile-like and shows no creed patch or Coach label",
        "photo 5: rear zipper hardware and construction appear generic, with no visible Coach marking",
        "photo 6: thin strap and soft lightweight construction are less consistent with classic vintage Coach glove-tanned bags",
        "listing text: seller describes the item as lightweight and unbranded, which is mildly counter to a classic heavy vintage Coach bag",
        "photo 1,4,5,6: closure is magnetic snap, not Coach turnlock - no turnlock present",
        "photo 6: rear zip pocket with silver-tone zipper pull, not vintage solid brass Talon\/YKK",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 5-6: very thin flat crossbody strap with no brass buckle\/dogleash clips, inconsistent with vintage Coach construction",
        "seller text states lightweight, unbranded, no flashy hardware or logos - consistent with generic thin leather bag, counter-evidence for heavy glove-tanned Coach classic"
    ],
    "missing_information": [
        "photo request: straight-on close-up of every interior wall and pocket seam to confirm no hidden creed or fabric tag",
        "photo request: close-ups of zipper pull, snap, strap attachments, and all hardware",
        "photo request: bottom, side seams, and full strap construction",
        "seller-stated material details beyond 'genuine leather,' including whether the interior is leather, suede, or synthetic textile",
        "creed patch \/ interior back wall straight-on view to confirm no stamped patch (photos 1-2 show open flap with no creed visible)",
        "hangtag both faces if present",
        "hardware stamps on zipper pull and snap"
    ],
    "authenticity_concerns": [
        "The visible construction is generic and lacks any Coach identifier; a Coach attribution cannot be supported from these photos",
        "The lightweight construction, thin strap, snap closure, and apparent textile-like interior do not align well with common vintage Coach classic construction"
    ],
    "possible_model_reasoning": [
        "No Coach model is a strong match: the small soft flap shape is generic and lacks a Coach turnlock, creed, hangtag, or distinctive catalog construction.",
        "Condition: Good; substantial creasing and wrinkling are visible on the leather, with an interior stain stated by the seller; no obvious major tear or broken hardware is visible, but the interior and strap condition are incompletely documented.",
        "No Coach catalog match: 6x8 in magnetic-snap flap with rear zip and thin strap does not match Pocket Purse (9755), Dinky (9375) or other classics which use turnlock and solid brass hardware with buckle-adjustable strap",
        "Era reasoning: silver-tone snap\/zip, thin leather, lightweight construction points to modern generic 2000s+ bag, not 1970s-1990s glove-tanned era",
        "Condition: Good to Very Good; soft wrinkled leather with corner softening (photo 3-4), one small interior stain noted by seller and white residue visible under flap (photo 2), otherwise intact"
    ],
    "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: small silver-tone snap closure; photo 6: unmarked silver-tone zipper hardware; no turnlock or Coach engraving visible",
        "leather_description": "photo 1: black, soft, heavily creased leather-like exterior with a relatively thin appearance; seller states genuine leather, but exact leather type is not verifiable",
        "lining_description": "photo 2: black fuzzy or textile-like interior surface is visible; no brand label or creed is visible",
        "strap_construction": "photos 4-6: very thin adjustable black strap, apparently stitched to the bag; attachment details are partly obscured",
        "stitching_description": "photos 1-6: visible machine stitching is generally even but appears utilitarian; close-up stress-point construction is not fully shown"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.15,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather-like black flap crossbody silhouette and rear zip pocket are compatible with a handbag, but not specifically with Coach",
                    "photo 4: seller measurement appears consistent with a small crossbody bag"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, carriage, creed patch, or recognizable Coach hardware",
                    "photo 1: simple snap closure rather than a Coach-style turnlock",
                    "photo 2: interior appears black fuzzy\/textile-like and shows no creed patch or Coach label",
                    "photo 5: rear zipper hardware and construction appear generic, with no visible Coach marking",
                    "photo 6: thin strap and soft lightweight construction are less consistent with classic vintage Coach glove-tanned bags",
                    "listing text: seller describes the item as lightweight and unbranded, which is mildly counter to a classic heavy vintage Coach bag"
                ],
                "missing_information": [
                    "photo request: straight-on close-up of every interior wall and pocket seam to confirm no hidden creed or fabric tag",
                    "photo request: close-ups of zipper pull, snap, strap attachments, and all hardware",
                    "photo request: bottom, side seams, and full strap construction",
                    "seller-stated material details beyond 'genuine leather,' including whether the interior is leather, suede, or synthetic textile"
                ],
                "authenticity_concerns": [
                    "The visible construction is generic and lacks any Coach identifier; a Coach attribution cannot be supported from these photos",
                    "The lightweight construction, thin strap, snap closure, and apparent textile-like interior do not align well with common vintage Coach classic 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": "photo 1: small silver-tone snap closure; photo 6: unmarked silver-tone zipper hardware; no turnlock or Coach engraving visible",
                    "leather_description": "photo 1: black, soft, heavily creased leather-like exterior with a relatively thin appearance; seller states genuine leather, but exact leather type is not verifiable",
                    "lining_description": "photo 2: black fuzzy or textile-like interior surface is visible; no brand label or creed is visible",
                    "strap_construction": "photos 4-6: very thin adjustable black strap, apparently stitched to the bag; attachment details are partly obscured",
                    "stitching_description": "photos 1-6: visible machine stitching is generally even but appears utilitarian; close-up stress-point construction is not fully shown"
                },
                "possible_model_reasoning": [
                    "No Coach model is a strong match: the small soft flap shape is generic and lacks a Coach turnlock, creed, hangtag, or distinctive catalog construction.",
                    "Condition: Good; substantial creasing and wrinkling are visible on the leather, with an interior stain stated by the seller; no obvious major tear or broken hardware is visible, but the interior and strap condition are incompletely documented."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "creed patch \/ interior back wall straight-on view to confirm no stamped patch (photos 1-2 show open flap with no creed visible)",
                    "hangtag both faces if present",
                    "hardware stamps on zipper pull and snap"
                ],
                "negative_evidence": [
                    "photo 1,4,5,6: closure is magnetic snap, not Coach turnlock - no turnlock present",
                    "photo 6: rear zip pocket with silver-tone zipper pull, not vintage solid brass Talon\/YKK",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 5-6: very thin flat crossbody strap with no brass buckle\/dogleash clips, inconsistent with vintage Coach construction",
                    "seller text states lightweight, unbranded, no flashy hardware or logos - consistent with generic thin leather bag, counter-evidence for heavy glove-tanned Coach classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap closure (photo 1) and silver-tone rear zipper with small flat pull (photo 6); no brass, no turnlock, no buckle",
                    "leather_description": "black thin, soft wrinkled leather with creasing and surface wear; does not show thick glove-tanned grain or patina of vintage Coach",
                    "lining_description": "unlined with black suede-like flesh side visible under flap (photo 1-2); no fabric lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight dark stitching around flap and body edges visible (photo 1,4); no detailed stress-point view",
                    "strap_construction": "very thin flat black strap, long crossbody, no brass adjustment buckle or clips visible in photos",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: unlined suede-back interior, which is seen on vintage Coach but also on many generic leather bags",
                    "photo 1,4,5,6: genuine leather appearance with broken-in wrinkles"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: 6x8 in magnetic-snap flap with rear zip and thin strap does not match Pocket Purse (9755), Dinky (9375) or other classics which use turnlock and solid brass hardware with buckle-adjustable strap",
                    "Era reasoning: silver-tone snap\/zip, thin leather, lightweight construction points to modern generic 2000s+ bag, not 1970s-1990s glove-tanned era",
                    "Condition: Good to Very Good; soft wrinkled leather with corner softening (photo 3-4), one small interior stain noted by seller and white residue visible under flap (photo 2), otherwise intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17831,
            "output_tokens": 823,
            "total_tokens": 18654,
            "estimated_cost_usd": 0.009108
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18173,
            "output_tokens": 1251,
            "total_tokens": 19424,
            "estimated_cost_usd": 0.004635
        }
    ]
}