Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.165,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.87,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: front panel is a woven-look textile rather than the smooth glove-tanned leather typical of classic vintage Coach.",
        "photo 2: smooth light-colored trim and straps appear faux-leather or synthetic, consistent with the seller's description.",
        "photo 1: interior shows a brown fabric\/synthetic lining and zipper construction, not a visible vintage Coach creed or unlined suede interior.",
        "photo 1: no Coach wordmark, horse-and-carriage mark, hangtag, or creed is visible.",
        "photo 2: the rounded shoulder-bag silhouette and dual straps are generic and not sufficient to identify Coach.",
        "photo 2-3: woven-look fabric front panel, not glove-tanned leather",
        "photo 2-3: smooth faux-leather sides and straps with synthetic sheen, seller describes as faux-leather",
        "photo 1: brown synthetic fabric lining, not unlined suede",
        "photo 1-3: no creed patch, no COACH wordmark, no hangtag visible",
        "photo 1-3: no turnlock, no solid brass hardware visible",
        "listing text: lightweight and easy to carry, counter to heavy glove-tanned Coach classics"
    ],
    "missing_information": [
        "photo 1: no readable creed patch or serial\/style-number tag is shown; request a complete interior-wall and pocket photo.",
        "photo 1: zipper pull and hardware close-up are not provided.",
        "photo 2: bottom, side, strap attachment, and stitching close-ups are not provided.",
        "Seller-stated material and condition should be verified; the listing describes faux-leather sides and straps.",
        "no creed patch or brand label shown in close-up to verify maker",
        "no hardware close-up showing zipper brand or metal composition",
        "no bottom, side and scale views for full condition assessment"
    ],
    "authenticity_concerns": [
        "photo 1: synthetic-looking textile\/faux-leather construction and fabric lining are inconsistent with the classic vintage Coach population.",
        "photo 1: absence of any visible Coach identifier leaves no evidence of Coach manufacture.",
        "photo 1-3: faux-leather sides\/straps plus woven textile front panel inconsistent with vintage Coach glove-tanned cowhide construction",
        "photo 1: brown synthetic lining inconsistent with unlined suede interior expected on vintage Coach classics"
    ],
    "possible_model_reasoning": [
        "The bag is a handbag, but its textile\/faux-leather construction, fabric lining, generic rounded silhouette, and lack of Coach identifiers do not match a recognizable vintage Coach model.",
        "Condition appears approximately Very Good from the visible exterior, with textile wear\/creasing at the front panel; the interior and all corners are not fully documented.",
        "As a likely generic secondhand synthetic\/textile shoulder bag, a rough resale estimate is $5-$25.",
        "No Coach silhouette, hardware, leather, lining or identifier matches; woven\/faux construction excludes classic Coach models",
        "Condition: Very Good to Excellent per photos; rounded shape intact, no visible stains or corner wear in photo 2-3, interior appears clean in photo 1, but bottom and close-ups 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": "photo 1: a small zipper pull is visible inside the opening; no brand engraving or other Coach-specific hardware is legible.",
        "leather_description": "photo 2: woven-look textile front panel with smooth pale trim and straps; the trim appears synthetic, consistent with seller-stated faux leather.",
        "lining_description": "photo 1: dark brown fabric\/synthetic lining is visible; no creed patch is visible.",
        "strap_construction": "photos 2-3: two long, narrow shoulder straps attached at the upper sides; apparent synthetic material, with no visible Coach-specific attachment hardware.",
        "stitching_description": "photo 1: visible interior stitching appears machine-sewn and fairly even; detailed stress-point stitching is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0031,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: front panel is a woven-look textile rather than the smooth glove-tanned leather typical of classic vintage Coach.",
                    "photo 2: smooth light-colored trim and straps appear faux-leather or synthetic, consistent with the seller's description.",
                    "photo 1: interior shows a brown fabric\/synthetic lining and zipper construction, not a visible vintage Coach creed or unlined suede interior.",
                    "photo 1: no Coach wordmark, horse-and-carriage mark, hangtag, or creed is visible.",
                    "photo 2: the rounded shoulder-bag silhouette and dual straps are generic and not sufficient to identify Coach."
                ],
                "missing_information": [
                    "photo 1: no readable creed patch or serial\/style-number tag is shown; request a complete interior-wall and pocket photo.",
                    "photo 1: zipper pull and hardware close-up are not provided.",
                    "photo 2: bottom, side, strap attachment, and stitching close-ups are not provided.",
                    "Seller-stated material and condition should be verified; the listing describes faux-leather sides and straps."
                ],
                "authenticity_concerns": [
                    "photo 1: synthetic-looking textile\/faux-leather construction and fabric lining are inconsistent with the classic vintage Coach population.",
                    "photo 1: absence of any visible Coach identifier leaves no evidence of Coach manufacture."
                ],
                "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: a small zipper pull is visible inside the opening; no brand engraving or other Coach-specific hardware is legible.",
                    "leather_description": "photo 2: woven-look textile front panel with smooth pale trim and straps; the trim appears synthetic, consistent with seller-stated faux leather.",
                    "lining_description": "photo 1: dark brown fabric\/synthetic lining is visible; no creed patch is visible.",
                    "strap_construction": "photos 2-3: two long, narrow shoulder straps attached at the upper sides; apparent synthetic material, with no visible Coach-specific attachment hardware.",
                    "stitching_description": "photo 1: visible interior stitching appears machine-sewn and fairly even; detailed stress-point stitching is not shown."
                },
                "possible_model_reasoning": [
                    "The bag is a handbag, but its textile\/faux-leather construction, fabric lining, generic rounded silhouette, and lack of Coach identifiers do not match a recognizable vintage Coach model.",
                    "Condition appears approximately Very Good from the visible exterior, with textile wear\/creasing at the front panel; the interior and all corners are not fully documented.",
                    "As a likely generic secondhand synthetic\/textile shoulder bag, a rough resale estimate is $5-$25."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-3: faux-leather sides\/straps plus woven textile front panel inconsistent with vintage Coach glove-tanned cowhide construction",
                    "photo 1: brown synthetic lining inconsistent with unlined suede interior expected on vintage Coach classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "no creed patch or brand label shown in close-up to verify maker",
                    "no hardware close-up showing zipper brand or metal composition",
                    "no bottom, side and scale views for full condition assessment"
                ],
                "negative_evidence": [
                    "photo 2-3: woven-look fabric front panel, not glove-tanned leather",
                    "photo 2-3: smooth faux-leather sides and straps with synthetic sheen, seller describes as faux-leather",
                    "photo 1: brown synthetic fabric lining, not unlined suede",
                    "photo 1-3: no creed patch, no COACH wordmark, no hangtag visible",
                    "photo 1-3: no turnlock, no solid brass hardware visible",
                    "listing text: lightweight and easy to carry, counter to heavy glove-tanned Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible; white zip top with small pull visible in photo 1, no branding or solid brass visible",
                    "leather_description": "photo 2-3: smooth faux-leather-look sides, trim and straps with woven multicolor beige textile front panel, not glove-tanned leather",
                    "lining_description": "photo 1: dark brown synthetic fabric lining with white stitching",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: white straight stitching on interior lining; exterior stitching not clearly visible",
                    "strap_construction": "photo 2-3: dual long thin shoulder straps in matching beige faux-leather, sewn attachment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, hardware, leather, lining or identifier matches; woven\/faux construction excludes classic Coach models",
                    "Condition: Very Good to Excellent per photos; rounded shape intact, no visible stains or corner wear in photo 2-3, interior appears clean in photo 1, but bottom and close-ups not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17032,
            "output_tokens": 772,
            "total_tokens": 17804,
            "estimated_cost_usd": 0.008666
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17359,
            "output_tokens": 1457,
            "total_tokens": 18816,
            "estimated_cost_usd": 0.004637
        }
    ]
}