Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.36,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.785,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.89,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: A handbag with a flap and closure is clearly shown.",
        "photo 2: The interior has multiple compartments and pockets.",
        "photo 1, 4: leather flap shoulder bag of 7x11 in size consistent with handbag",
        "photo 1: flap closure with metal lock broadly similar to turnlock category"
    ],
    "negative_evidence": [
        "photo 2: The interior label visibly reads \"FEMME CHIC,\" not COACH.",
        "photo 1: The closure is a rectangular gold-tone clasp, not the characteristic slim vintage Coach turnlock.",
        "photos 1 and 4: The smooth, glossy dark material does not visibly resemble vintage glove-tanned Coach leather.",
        "photo 2: The bag has a light fabric-lined, compartmentalized interior rather than the suede-backed unlined construction typical of many 1970s\u2013early 1990s Coach classics.",
        "photos 1-4: No Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 2: interior divider stamped FEMME CHIC tel. 48311 - positively branded other maker",
        "photo 1, 2, 3, 4: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1: lock is narrow rectangular brass-tone clasp, not wide oval Coach turnlock with rounded tab",
        "photo 2, 3: light grey suede-like compartmented lining with bound edges, not unlined glove-tanned suede back of vintage Coach classics",
        "photo 1, 4: high-gloss smooth box-calf-like finish, not matte glove-tanned cowhide with natural grain"
    ],
    "missing_information": [
        "A straight-on photo of the interior label at higher resolution, although the visible label already identifies Femme Chic.",
        "Close-ups of the closure, strap attachments, bottom, corners, and any hardware stamps.",
        "Seller-stated material composition and country of manufacture; the surface appears coated or highly finished, but the material cannot be confirmed from photos alone.",
        "photo of bottom and corners to confirm wear",
        "photo of strap ends and full length",
        "close-up of exterior leather texture in natural light"
    ],
    "authenticity_concerns": [
        "photo 2: The visible manufacturer label identifies another brand, making a Coach attribution inconsistent with the photographed interior.",
        "photos 1-4: No Coach identifier is present to support a Coach-made attribution; this appears to be a non-Coach vintage-style bag rather than a Coach replica with a transplanted creed.",
        "photo 2: interior bears competing maker label FEMME CHIC, inconsistent with Coach manufacture",
        "photo 1: lock geometry is small rectangular slide-clasp, not Coach Cashin turnlock oval plate and tab"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the interior label visibly says Femme Chic and the bag lacks Coach identifiers.",
        "The seller's 1970s claim is not independently supported by the photographed construction; the visible lined, glossy, compartmentalized design is more consistent with a generic vintage fashion handbag.",
        "Condition: Good; light-to-moderate surface creasing and visible interior discoloration\/staining are present in photos 1-3, while bottom corners and strap stress points are not fully documented.",
        "No Coach model fits: positive Femme Chic maker label in photo 2 rules out Coach manufacture, no creed or Coach hardware, lining and high-gloss leather inconsistent with 1970s-1990s Coach classics",
        "Condition: Very Good to Excellent appearance; photos show light edge creasing and surface sheen but no corner wear shown, interior looks clean; bottom not shown so grade 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: Rectangular gold-tone clasp with a raised central detail; no Coach engraving is visible. Strap hardware is only partially visible in photo 4.",
        "leather_description": "photos 1 and 4: Smooth dark brown-to-black, glossy-looking exterior with light creasing; exact material is not confirmed and does not visibly show natural glove-tanned grain.",
        "lining_description": "photos 2-3: Light-colored fabric lining with several compartments and slip\/zip pockets; visible staining or discoloration is present.",
        "strap_construction": "photo 4: Narrow dark shoulder strap attached at the upper side edges; exact attachment and adjustment construction are not fully visible.",
        "stitching_description": "photos 2-4: Dark edge stitching appears generally even where visible, but close inspection of stress points is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0093,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: A handbag with a flap and closure is clearly shown.",
                    "photo 2: The interior has multiple compartments and pockets."
                ],
                "negative_evidence": [
                    "photo 2: The interior label visibly reads \"FEMME CHIC,\" not COACH.",
                    "photo 1: The closure is a rectangular gold-tone clasp, not the characteristic slim vintage Coach turnlock.",
                    "photos 1 and 4: The smooth, glossy dark material does not visibly resemble vintage glove-tanned Coach leather.",
                    "photo 2: The bag has a light fabric-lined, compartmentalized interior rather than the suede-backed unlined construction typical of many 1970s\u2013early 1990s Coach classics.",
                    "photos 1-4: No Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible."
                ],
                "missing_information": [
                    "A straight-on photo of the interior label at higher resolution, although the visible label already identifies Femme Chic.",
                    "Close-ups of the closure, strap attachments, bottom, corners, and any hardware stamps.",
                    "Seller-stated material composition and country of manufacture; the surface appears coated or highly finished, but the material cannot be confirmed from photos alone."
                ],
                "authenticity_concerns": [
                    "photo 2: The visible manufacturer label identifies another brand, making a Coach attribution inconsistent with the photographed interior.",
                    "photos 1-4: No Coach identifier is present to support a Coach-made attribution; this appears to be a non-Coach vintage-style bag rather than a Coach replica with a transplanted creed."
                ],
                "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: Rectangular gold-tone clasp with a raised central detail; no Coach engraving is visible. Strap hardware is only partially visible in photo 4.",
                    "leather_description": "photos 1 and 4: Smooth dark brown-to-black, glossy-looking exterior with light creasing; exact material is not confirmed and does not visibly show natural glove-tanned grain.",
                    "lining_description": "photos 2-3: Light-colored fabric lining with several compartments and slip\/zip pockets; visible staining or discoloration is present.",
                    "strap_construction": "photo 4: Narrow dark shoulder strap attached at the upper side edges; exact attachment and adjustment construction are not fully visible.",
                    "stitching_description": "photos 2-4: Dark edge stitching appears generally even where visible, but close inspection of stress points is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the interior label visibly says Femme Chic and the bag lacks Coach identifiers.",
                    "The seller's 1970s claim is not independently supported by the photographed construction; the visible lined, glossy, compartmentalized design is more consistent with a generic vintage fashion handbag.",
                    "Condition: Good; light-to-moderate surface creasing and visible interior discoloration\/staining are present in photos 1-3, while bottom corners and strap stress points are not fully documented."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 2: interior bears competing maker label FEMME CHIC, inconsistent with Coach manufacture",
                    "photo 1: lock geometry is small rectangular slide-clasp, not Coach Cashin turnlock oval plate and tab"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of bottom and corners to confirm wear",
                    "photo of strap ends and full length",
                    "close-up of exterior leather texture in natural light"
                ],
                "negative_evidence": [
                    "photo 2: interior divider stamped FEMME CHIC tel. 48311 - positively branded other maker",
                    "photo 1, 2, 3, 4: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1: lock is narrow rectangular brass-tone clasp, not wide oval Coach turnlock with rounded tab",
                    "photo 2, 3: light grey suede-like compartmented lining with bound edges, not unlined glove-tanned suede back of vintage Coach classics",
                    "photo 1, 4: high-gloss smooth box-calf-like finish, not matte glove-tanned cowhide with natural grain"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: small rectangular gold-tone flap clasp\/slide lock; photo 4: thin strap attached with small eyelets, no solid brass dogleash or turnlock geometry",
                    "leather_description": "photo 1, 4: dark brown\/black smooth polished leather with high gloss, structured flat envelope shape, light creasing at top edge",
                    "lining_description": "photo 2, 3: light grey\/off-white suede-like or brushed fabric compartment lining with multiple slip pockets and dark binding",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching not legible; edges appear bound\/piped, no visible contrast stitching",
                    "strap_construction": "photo 4: thin flat shoulder strap, same dark leather, simple attachment at top sides, length and adjustment not shown",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1, 4: leather flap shoulder bag of 7x11 in size consistent with handbag",
                    "photo 1: flap closure with metal lock broadly similar to turnlock category"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: positive Femme Chic maker label in photo 2 rules out Coach manufacture, no creed or Coach hardware, lining and high-gloss leather inconsistent with 1970s-1990s Coach classics",
                    "Condition: Very Good to Excellent appearance; photos show light edge creasing and surface sheen but no corner wear shown, interior looks clean; bottom not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16855,
            "output_tokens": 1036,
            "total_tokens": 17891,
            "estimated_cost_usd": 0.009228
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17176,
            "output_tokens": 1506,
            "total_tokens": 18682,
            "estimated_cost_usd": 0.00464
        }
    ]
}