Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.03,
    "vintage_probability": 0.165,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.785,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Small leather-looking shoulder or evening pouch with a conventional handbag silhouette.",
        "photo 2: Approximate width of 10\u201311 inches is consistent with a small handbag.",
        "photo 1-4: leather-type handbag with ~9in width per tape, in handbag size range"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware.",
        "photo 1: Ruched drawstring construction and narrow stitched cord straps do not match the listed classic Coach silhouettes.",
        "photo 5: Interior appears black fabric or satin-lined, with no visible Coach creed or fabric identification tag.",
        "photo 1: Hardware is small gold-tone hardware rather than the substantial brass turnlocks, buckles, or dogleash fittings typical of vintage Coach classics.",
        "photo 1: Seller title and description identify the item as no brand; this is weak context only and is not independently confirmatory.",
        "photo 1-4: soft gathered-frame pouch silhouette with no Coach catalog match in classic era",
        "photo 6: black fabric lining, not unlined glove-tanned suede of vintage Coach classics",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1,5,6: thin unstructured crossbody strap with contrast white stitching, not Coach buckle-adjustable or dogleash construction",
        "photo 5-6: small gold-tone frame\/hinge closure, not Coach turnlock geometry"
    ],
    "missing_information": [
        "photo 5: Interior back wall and all pockets should be photographed straight-on to verify whether any small brand or creed label is present.",
        "A close-up of the clasp, strap attachments, and any hardware markings is needed.",
        "A clear photo of the underside, side seams, and bottom corners would help assess construction and material.",
        "Seller-stated material should be clarified; the listing text inconsistently describes leather and black satin.",
        "No creed patch or brand stamp visible - request close-up of any interior labels or stamps",
        "Hardware brand stamps not shown - request macro of frame hinge and strap ends",
        "Material confirmation - leather vs synthetic not verifiable from photos"
    ],
    "authenticity_concerns": [
        "The visible design has no Coach identifiers and is more consistent with a generic or unbranded evening pouch than a Coach model.",
        "The listing description is internally inconsistent, calling the purse leather while also describing a black satin exterior; material and construction cannot be confirmed from these photos alone."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the gathered drawstring pouch construction, long narrow cord strap, and small side fittings do not correspond to the cataloged vintage Coach classic models.",
        "Condition: Good to Very Good based on visible creasing and soft wrinkling in the exterior (photos 1-4); interior and hardware condition are only partially shown.",
        "The bag is best valued as a generic unbranded secondhand evening or shoulder pouch rather than as vintage Coach.",
        "No Coach model fits: frame-top gathered pouch with fabric lining and no turnlock or creed does not match City Bag, Willis, Court, Dinky or other classics; Condition: Good to Very Good based on clean exterior and lining, but material and brand unknown"
    ],
    "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 5: Small gold-tone fittings are visible at the strap and side attachment points; no branded engraving is legible. No turnlock is visible.",
        "leather_description": "photo 1: Smooth, soft-looking gray material with gathered\/ruched construction; whether genuine leather, satin, or synthetic material is not determinable from the photos.",
        "lining_description": "photo 5: Dark black fabric-like interior lining is visible; no label or creed is visible.",
        "strap_construction": "photos 1-3: Long narrow matching gray shoulder strap or cord with visible parallel stitching, attached at the upper side ends.",
        "stitching_description": "photos 1 and 5: Center double rows and perimeter stitching are visible and generally even, though close-up stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Small leather-looking shoulder or evening pouch with a conventional handbag silhouette.",
                    "photo 2: Approximate width of 10\u201311 inches is consistent with a small handbag."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or recognizable Coach hardware.",
                    "photo 1: Ruched drawstring construction and narrow stitched cord straps do not match the listed classic Coach silhouettes.",
                    "photo 5: Interior appears black fabric or satin-lined, with no visible Coach creed or fabric identification tag.",
                    "photo 1: Hardware is small gold-tone hardware rather than the substantial brass turnlocks, buckles, or dogleash fittings typical of vintage Coach classics.",
                    "photo 1: Seller title and description identify the item as no brand; this is weak context only and is not independently confirmatory."
                ],
                "missing_information": [
                    "photo 5: Interior back wall and all pockets should be photographed straight-on to verify whether any small brand or creed label is present.",
                    "A close-up of the clasp, strap attachments, and any hardware markings is needed.",
                    "A clear photo of the underside, side seams, and bottom corners would help assess construction and material.",
                    "Seller-stated material should be clarified; the listing text inconsistently describes leather and black satin."
                ],
                "authenticity_concerns": [
                    "The visible design has no Coach identifiers and is more consistent with a generic or unbranded evening pouch than a Coach model.",
                    "The listing description is internally inconsistent, calling the purse leather while also describing a black satin exterior; material and construction cannot be confirmed from these photos alone."
                ],
                "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 5: Small gold-tone fittings are visible at the strap and side attachment points; no branded engraving is legible. No turnlock is visible.",
                    "leather_description": "photo 1: Smooth, soft-looking gray material with gathered\/ruched construction; whether genuine leather, satin, or synthetic material is not determinable from the photos.",
                    "lining_description": "photo 5: Dark black fabric-like interior lining is visible; no label or creed is visible.",
                    "strap_construction": "photos 1-3: Long narrow matching gray shoulder strap or cord with visible parallel stitching, attached at the upper side ends.",
                    "stitching_description": "photos 1 and 5: Center double rows and perimeter stitching are visible and generally even, though close-up stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the gathered drawstring pouch construction, long narrow cord strap, and small side fittings do not correspond to the cataloged vintage Coach classic models.",
                    "Condition: Good to Very Good based on visible creasing and soft wrinkling in the exterior (photos 1-4); interior and hardware condition are only partially shown.",
                    "The bag is best valued as a generic unbranded secondhand evening or shoulder pouch rather than as vintage Coach."
                ],
                "confidence": 0.85,
                "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": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "No creed patch or brand stamp visible - request close-up of any interior labels or stamps",
                    "Hardware brand stamps not shown - request macro of frame hinge and strap ends",
                    "Material confirmation - leather vs synthetic not verifiable from photos"
                ],
                "negative_evidence": [
                    "photo 1-4: soft gathered-frame pouch silhouette with no Coach catalog match in classic era",
                    "photo 6: black fabric lining, not unlined glove-tanned suede of vintage Coach classics",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1,5,6: thin unstructured crossbody strap with contrast white stitching, not Coach buckle-adjustable or dogleash construction",
                    "photo 5-6: small gold-tone frame\/hinge closure, not Coach turnlock geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small gold-tone frame hinges at top sides; no engraving legible",
                    "leather_description": "smooth grey leather-type with soft sheen and gathered top; thickness and grain not clearly glove-tanned",
                    "lining_description": "black fabric lining visible in photo 5-6, appears synthetic",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast light stitching along center seam and strap edge, even but not tone-matched",
                    "strap_construction": "thin flat single crossbody strap, stitched edge, no buckle or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-4: leather-type handbag with ~9in width per tape, in handbag size range"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: frame-top gathered pouch with fabric lining and no turnlock or creed does not match City Bag, Willis, Court, Dinky or other classics; Condition: Good to Very Good based on clean exterior and lining, but material and brand unknown"
                ],
                "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": 17780,
            "output_tokens": 839,
            "total_tokens": 18619,
            "estimated_cost_usd": 0.009126
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18116,
            "output_tokens": 1117,
            "total_tokens": 19233,
            "estimated_cost_usd": 0.004517
        }
    ]
}