Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.035,
    "vintage_probability": 0.24,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.16,
    "confidence": 0.77,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small leather crossbody handbag with a zip-top compartment and long shoulder strap.",
        "photo 2: The body appears to be genuine leather with visible grain and soft surface sheen.",
        "photo 4: Stitching and construction are visible, but no brand identifier is apparent.",
        "photo 1-6: genuine leather-appearing small zip crossbody handbag - object type where misidentified Coach could hide, but no identifier seen"
    ],
    "negative_evidence": [
        "photo 1: The bag has prominent hand-painted floral artwork and a generic small pouch silhouette rather than a recognizable vintage Coach model.",
        "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, or Coach hangtag is visible.",
        "photo 4: The visible front construction has no interior or exterior Coach identifier; the zipper and hardware appear generic.",
        "photo 5: Measurement photo shows a small approximately 6-inch-wide bag, with no Coach-specific model or style evidence.",
        "photo 6: The visible reverse panel also lacks a Coach mark, creed, or hangtag.",
        "photo 1,4: zip-top crossbody with divided front exterior slip pocket - no turnlock flap, no classic Coach silhouette match",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible on exterior",
        "photo 1-6: no solid-brass turnlock, dogleash clips, bead-chain hangtag or Talon\/YKK branded pull visible",
        "photo 2-4: hand-painted folk-art flowers cover front - obscures original leather finish and prevents era assessment",
        "photo 1-6: interior never shown so unlined glove-tanned suede-back construction cannot be verified"
    ],
    "missing_information": [
        "photo 1-6: Interior is not shown; request an emptied interior, interior back wall, slip pocket, and any leather creed patch or fabric tag.",
        "photo 1-6: Request close-ups of the zipper pull, strap attachments, hardware, and all labels or stamps.",
        "photo 1-6: The bottom and full strap construction are not fully documented.",
        "photo 1-6: Seller's claimed vintage age is not independently supported by the photos.",
        "photo 1-6: interior views not shown - lining, pockets, creed patch and any fabric tags unknown",
        "photo 1-6: no creed close-up in raking light to read stamping or No. line",
        "photo 1-6: back, side and bottom views not shown - corners, base and back pocket unknown",
        "photo 1: zipper pull brand stamp and hardware metal\/weight not legible",
        "photo 1: strap attachments, clips and full strap length\/buckle holes not shown",
        "photo 5-6: seller ruler shows ~6 in wide x ~8 in tall but no official dimensions or scale for hardware"
    ],
    "authenticity_concerns": [
        "photo 1-6: No Coach-specific identifier is visible, while the generic silhouette and hand-painted customization are more consistent with an artisan or other-brand leather bag.",
        "photo 1-6: The apparent contemporary painted finish and generic zipper construction do not match the usual evidence expected for a vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match from the visible evidence. The small zip-top crossbody form is generic and has been substantially hand-painted.",
        "The seller's 'vintage' and 'genuine leather' claims are listing text only; the photos do not establish a pre-2000 date.",
        "Condition: Good to Very Good visually; leather appears intact and painted decoration is prominent, but the interior, bottom, odor, and strap stress points are not shown.",
        "No Coach model fits: zip-top with full-width divided front pocket, thin crossbody strap and no turnlock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or Basic Bag (9455) in closure, pockets or hardware",
        "No serial decode possible - no number visible; seller text states only vintage\/hand-painted, no No. line",
        "Era cannot be dated by construction - no creed, country, hardware brand or lining visible; hand-painted modification removes original finish evidence",
        "Condition: Good as art-to-wear piece; leather intact in photos, paint is intentional modification not damage, corners\/bottom\/interior\/strap fold not shown so cap grade"
    ],
    "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 and photo 4: Zip-top closure with small generic-looking zipper pull; no turnlock or branded hardware visible.",
        "leather_description": "photo 2 and photo 3: Brown, smooth-to-pebbled leather with a soft sheen and extensive pink, orange, red, and yellow painted floral decoration.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1 and photo 3: Long narrow leather crossbody strap attached at the upper sides; attachment details are only partly visible.",
        "stitching_description": "photo 2 and photo 4: Visible parallel machine stitching around the top and vertical front seams; generally even, with no distinctive Coach construction identifiable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0067,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.28,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small leather crossbody handbag with a zip-top compartment and long shoulder strap.",
                    "photo 2: The body appears to be genuine leather with visible grain and soft surface sheen.",
                    "photo 4: Stitching and construction are visible, but no brand identifier is apparent."
                ],
                "negative_evidence": [
                    "photo 1: The bag has prominent hand-painted floral artwork and a generic small pouch silhouette rather than a recognizable vintage Coach model.",
                    "photo 1: No Coach wordmark, horse-and-carriage emblem, creed patch, or Coach hangtag is visible.",
                    "photo 4: The visible front construction has no interior or exterior Coach identifier; the zipper and hardware appear generic.",
                    "photo 5: Measurement photo shows a small approximately 6-inch-wide bag, with no Coach-specific model or style evidence.",
                    "photo 6: The visible reverse panel also lacks a Coach mark, creed, or hangtag."
                ],
                "missing_information": [
                    "photo 1-6: Interior is not shown; request an emptied interior, interior back wall, slip pocket, and any leather creed patch or fabric tag.",
                    "photo 1-6: Request close-ups of the zipper pull, strap attachments, hardware, and all labels or stamps.",
                    "photo 1-6: The bottom and full strap construction are not fully documented.",
                    "photo 1-6: Seller's claimed vintage age is not independently supported by the photos."
                ],
                "authenticity_concerns": [
                    "photo 1-6: No Coach-specific identifier is visible, while the generic silhouette and hand-painted customization are more consistent with an artisan or other-brand leather bag.",
                    "photo 1-6: The apparent contemporary painted finish and generic zipper construction do not match the usual evidence expected for a vintage Coach classic."
                ],
                "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 and photo 4: Zip-top closure with small generic-looking zipper pull; no turnlock or branded hardware visible.",
                    "leather_description": "photo 2 and photo 3: Brown, smooth-to-pebbled leather with a soft sheen and extensive pink, orange, red, and yellow painted floral decoration.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1 and photo 3: Long narrow leather crossbody strap attached at the upper sides; attachment details are only partly visible.",
                    "stitching_description": "photo 2 and photo 4: Visible parallel machine stitching around the top and vertical front seams; generally even, with no distinctive Coach construction identifiable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match from the visible evidence. The small zip-top crossbody form is generic and has been substantially hand-painted.",
                    "The seller's 'vintage' and 'genuine leather' claims are listing text only; the photos do not establish a pre-2000 date.",
                    "Condition: Good to Very Good visually; leather appears intact and painted decoration is prominent, but the interior, bottom, odor, and strap stress points are not shown."
                ],
                "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": 0.05,
                "coach_probability": 0.04,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior views not shown - lining, pockets, creed patch and any fabric tags unknown",
                    "photo 1-6: no creed close-up in raking light to read stamping or No. line",
                    "photo 1-6: back, side and bottom views not shown - corners, base and back pocket unknown",
                    "photo 1: zipper pull brand stamp and hardware metal\/weight not legible",
                    "photo 1: strap attachments, clips and full strap length\/buckle holes not shown",
                    "photo 5-6: seller ruler shows ~6 in wide x ~8 in tall but no official dimensions or scale for hardware"
                ],
                "negative_evidence": [
                    "photo 1,4: zip-top crossbody with divided front exterior slip pocket - no turnlock flap, no classic Coach silhouette match",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible on exterior",
                    "photo 1-6: no solid-brass turnlock, dogleash clips, bead-chain hangtag or Talon\/YKK branded pull visible",
                    "photo 2-4: hand-painted folk-art flowers cover front - obscures original leather finish and prevents era assessment",
                    "photo 1-6: interior never shown so unlined glove-tanned suede-back construction cannot be verified"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone zip top with small pull in photo 1; tone and engraving not legible; thin round metal ring at strap in photo 5; no turnlock present",
                    "leather_description": "photo 1-6: brown soft-appearing leather with pebbled grain, hand-painted with orange\/pink\/yellow folk flowers and red leaves; soft sheen, no Coach identifier",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 4-6: straight tone-matched topstitching along zip and front pocket, center vertical seam dividing front pocket; even but generic",
                    "strap_construction": "photo 1: thin flat brown leather crossbody strap, long, attachment detail not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: genuine leather-appearing small zip crossbody handbag - object type where misidentified Coach could hide, but no identifier seen"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top with full-width divided front pocket, thin crossbody strap and no turnlock does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or Basic Bag (9455) in closure, pockets or hardware",
                    "No serial decode possible - no number visible; seller text states only vintage\/hand-painted, no No. line",
                    "Era cannot be dated by construction - no creed, country, hardware brand or lining visible; hand-painted modification removes original finish evidence",
                    "Condition: Good as art-to-wear piece; leather intact in photos, paint is intentional modification not damage, corners\/bottom\/interior\/strap fold not shown so cap grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18258,
            "output_tokens": 821,
            "total_tokens": 19079,
            "estimated_cost_usd": 0.009274
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18815,
            "output_tokens": 1430,
            "total_tokens": 20245,
            "estimated_cost_usd": 0.004907
        }
    ]
}