Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.845,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a crescent hobo silhouette and shoulder strap.",
        "photo 4: Interior has a zippered pocket and magnetic snap closure."
    ],
    "negative_evidence": [
        "photo 1: Glossy, uniform black material looks synthetic or coated rather than vintage glove-tanned leather.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
        "photo 1: Construction has a generic soft hobo design rather than a recognizable classic Coach silhouette.",
        "photo 4: Interior is fabric-lined, and no creed patch or fabric brand tag is visible.",
        "photo 4: Hardware visible is a generic magnetic snap, not a vintage Coach turnlock.",
        "photo 1, photo 2: thin floppy black material with high plastic-like sheen inconsistent with matte glove-tanned cowhide",
        "photo 3: black fabric lining with zip pocket and magnetic snap closure; vintage Coach classics are unlined suede-back, not fabric-lined",
        "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 3: silver-tone magnetic snap only; no solid brass turnlock, buckles, D-rings or dogleash clips",
        "photo 1, photo 2: wide integrated crescent shoulder strap continuous with body, not a Coach catalog silhouette with buckle-adjustable or dogleash strap"
    ],
    "missing_information": [
        "photo 4: A brighter, fully emptied interior view, including every interior wall, pocket, and seam, to confirm whether a creed or brand tag is present.",
        "A close-up of any zipper pulls, magnetic hardware, and sewn-in tags.",
        "Photos of the bottom, side seams, strap attachments, and all corners.",
        "Seller-stated material composition and dimensions.",
        "photo of any interior brand \/ content \/ material tag in pocket seam",
        "close-up of exterior material texture and edge finish to confirm synthetic vs leather",
        "hardware stamp close-up if any"
    ],
    "authenticity_concerns": [
        "The bag lacks visible Coach identifiers and has generic, modern-looking construction consistent with an unbranded fashion hobo.",
        "The glossy material and fabric lining are inconsistent with the classic unlined glove-tanned leather Coach population."
    ],
    "possible_model_reasoning": [
        "The crescent hobo shape does not closely match a specific classic Coach model, and no Coach identifier is visible.",
        "The listing's 'magnetic closure' wording is consistent with the visible generic snap, but seller text is weak evidence and does not establish brand or era.",
        "Condition appears Good to Very Good from the visible exterior: material is intact, but there are substantial creases and folds; the bottom and all stress points are not fully shown.",
        "No Coach identifier visible in any photo so no catalog match; crescent magnetic hobo shape does not match vintage turnlock flap styles like City Bag, Willis, Court, Station, Dinky",
        "Construction dates as modern fast-fashion: synthetic-like sheen, fabric lining, magnetic closure, integrated strap",
        "Condition: Like New \/ Excellent based on clean exterior in photo 1-2 and clean lining in photo 3; bottom corners and strap fold not shown in detail 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 4: Small magnetic snap closure and a zipper on the interior pocket; no turnlock, Coach engraving, or hangtag is visible.",
        "leather_description": "photo 1: Smooth, highly glossy black material with a synthetic or coated appearance; natural leather grain is not visible.",
        "lining_description": "photo 4: Dark fabric-like lining and an interior zip pocket are visible; branding is not visible.",
        "strap_construction": "photos 1-2: Wide, integrated soft shoulder strap attached to the sides; adjustment hardware is not visible.",
        "stitching_description": "photos 1-2: Machine-sewn perimeter and panel stitching appears generally even, though close-up stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a crescent hobo silhouette and shoulder strap.",
                    "photo 4: Interior has a zippered pocket and magnetic snap closure."
                ],
                "negative_evidence": [
                    "photo 1: Glossy, uniform black material looks synthetic or coated rather than vintage glove-tanned leather.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
                    "photo 1: Construction has a generic soft hobo design rather than a recognizable classic Coach silhouette.",
                    "photo 4: Interior is fabric-lined, and no creed patch or fabric brand tag is visible.",
                    "photo 4: Hardware visible is a generic magnetic snap, not a vintage Coach turnlock."
                ],
                "missing_information": [
                    "photo 4: A brighter, fully emptied interior view, including every interior wall, pocket, and seam, to confirm whether a creed or brand tag is present.",
                    "A close-up of any zipper pulls, magnetic hardware, and sewn-in tags.",
                    "Photos of the bottom, side seams, strap attachments, and all corners.",
                    "Seller-stated material composition and dimensions."
                ],
                "authenticity_concerns": [
                    "The bag lacks visible Coach identifiers and has generic, modern-looking construction consistent with an unbranded fashion hobo.",
                    "The glossy material and fabric lining are inconsistent with the classic unlined glove-tanned leather Coach population."
                ],
                "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 4: Small magnetic snap closure and a zipper on the interior pocket; no turnlock, Coach engraving, or hangtag is visible.",
                    "leather_description": "photo 1: Smooth, highly glossy black material with a synthetic or coated appearance; natural leather grain is not visible.",
                    "lining_description": "photo 4: Dark fabric-like lining and an interior zip pocket are visible; branding is not visible.",
                    "strap_construction": "photos 1-2: Wide, integrated soft shoulder strap attached to the sides; adjustment hardware is not visible.",
                    "stitching_description": "photos 1-2: Machine-sewn perimeter and panel stitching appears generally even, though close-up stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The crescent hobo shape does not closely match a specific classic Coach model, and no Coach identifier is visible.",
                    "The listing's 'magnetic closure' wording is consistent with the visible generic snap, but seller text is weak evidence and does not establish brand or era.",
                    "Condition appears Good to Very Good from the visible exterior: material is intact, but there are substantial creases and folds; the bottom and all stress points are not fully shown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior brand \/ content \/ material tag in pocket seam",
                    "close-up of exterior material texture and edge finish to confirm synthetic vs leather",
                    "hardware stamp close-up if any"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: thin floppy black material with high plastic-like sheen inconsistent with matte glove-tanned cowhide",
                    "photo 3: black fabric lining with zip pocket and magnetic snap closure; vintage Coach classics are unlined suede-back, not fabric-lined",
                    "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 3: silver-tone magnetic snap only; no solid brass turnlock, buckles, D-rings or dogleash clips",
                    "photo 1, photo 2: wide integrated crescent shoulder strap continuous with body, not a Coach catalog silhouette with buckle-adjustable or dogleash strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap visible in photo 3; no brass turnlock, buckles or zipper pulls visible",
                    "leather_description": "black smooth material with high glossy sheen and soft drape appearing synthetic PU \/ faux leather, not matte full-grain glove-tanned cowhide",
                    "lining_description": "black fabric lining visible in photo 3 with interior zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "simple straight stitching along top edge and seams in photo 1, photo 2; no detailed stress-point stitching visible",
                    "strap_construction": "wide integrated single shoulder strap continuous with bag body, no buckle adjustment or detachable clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no catalog match; crescent magnetic hobo shape does not match vintage turnlock flap styles like City Bag, Willis, Court, Station, Dinky",
                    "Construction dates as modern fast-fashion: synthetic-like sheen, fabric lining, magnetic closure, integrated strap",
                    "Condition: Like New \/ Excellent based on clean exterior in photo 1-2 and clean lining in photo 3; bottom corners and strap fold not shown in detail so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24095,
            "output_tokens": 769,
            "total_tokens": 24864,
            "estimated_cost_usd": 0.011484
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25300,
            "output_tokens": 1390,
            "total_tokens": 26690,
            "estimated_cost_usd": 0.006172
        }
    ]
}