Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.79,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.915,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: Interior plaque clearly reads \u201cAckery London \/ Made in England,\u201d identifying a non-Coach maker.",
        "photo 4: Interior is stamped \u201cREAL LEATHER LINING \/ MADE IN ENGLAND.\u201d",
        "photo 1: Structured black leather handbag silhouette with a metal frame and top handles is clearly visible."
    ],
    "negative_evidence": [
        "photo 3: The visible maker plaque names Ackery London, not Coach.",
        "photo 4: No Coach creed, serial\/style number, Coach wordmark, or horse-and-carriage mark is visible.",
        "photo 1: The frame closure and decorative ribbed clasp do not resemble the typical vintage Coach turnlock construction.",
        "photo 5: The interior uses a light leather lining and has no visible Coach creed patch.",
        "photo 3: interior brass plate reads 'Ackery LONDON MADE IN ENGLAND', not Coach creed",
        "photo 4: interior stamp 'REAL LEATHER LINING MADE IN ENGLAND' inconsistent with any Coach creed wording\/country",
        "photo 1, photo 5, photo 6: rigid frame kiss-clasp top with twin fixed handles, not a Coach turnlock\/flap catalog silhouette",
        "photo 5: tan suede-like leather lining with center divider, no Coach creed patch on back wall or slip pocket",
        "photo 1, photo 2: smooth black box-calflike leather with gold-tone frame, no COACH wordmark, horse-and-carriage, hangtag, or solid-brass turnlock"
    ],
    "missing_information": [
        "photo 4: Close-up of the entire interior and all pockets, although the visible branding already identifies Ackery.",
        "photo 2: Close-up of hardware markings, if any.",
        "Seller-stated dimensions and any provenance or approximate purchase date.",
        "No Coach creed, wordmark, or hangtag to verify - none expected given Ackery branding"
    ],
    "authenticity_concerns": [
        "photo 3: The Ackery London branding is internally inconsistent with Coach manufacture; this appears to be a different English handbag brand rather than a misidentified Coach bag.",
        "photo 3: bag carries competing maker ID 'Ackery LONDON MADE IN ENGLAND' - not Coach",
        "photo 4: 'REAL LEATHER LINING MADE IN ENGLAND' - England never a Coach manufacturing country for this type"
    ],
    "possible_model_reasoning": [
        "photo 3: The Ackery London plaque is a direct maker identifier, so no Coach model is appropriate.",
        "photo 1 and photo 4: The framed handbag construction is consistent with a vintage English Ackery handbag, not the cataloged Coach classic turnlock styles.",
        "Condition: Good to Very Good; visible white spot and hardware aging are noted in the listing and photos, while the interior appears intact. Bottom and detailed strap-condition views are limited.",
        "No Coach model fits: frame kiss-lock handbag with Ackery London England branding is a different maker and country, inconsistent with all Coach eras",
        "Condition: Very Good to Good; exterior shows white spot and minor marks (seller text), hardware aging, interior in good pre-owned condition per photo 5"
    ],
    "estimated_era": "unknown",
    "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 3: Gold-tone metal frame with a ribbed semicircular clasp; visible aging\/tarnish and surface wear. No Coach engraving is visible.",
        "leather_description": "photo 1 and photo 6: Black smooth leather exterior with minor white spotting\/blemishes and light edge wear.",
        "lining_description": "photo 4: Light beige leather lining, stamped \u201cREAL LEATHER LINING \/ MADE IN ENGLAND\u201d; interior appears generally intact with some creasing and age-related discoloration.",
        "strap_construction": "photo 1 and photo 6: Two fixed, narrow black leather top handles attached through the upper body; no detachable shoulder strap is visible.",
        "stitching_description": "photo 1 and photo 6: Straight, fine perimeter stitching is visible along the exterior edges; no obvious major seam failure is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.88,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: Interior plaque clearly reads \u201cAckery London \/ Made in England,\u201d identifying a non-Coach maker.",
                    "photo 4: Interior is stamped \u201cREAL LEATHER LINING \/ MADE IN ENGLAND.\u201d",
                    "photo 1: Structured black leather handbag silhouette with a metal frame and top handles is clearly visible."
                ],
                "negative_evidence": [
                    "photo 3: The visible maker plaque names Ackery London, not Coach.",
                    "photo 4: No Coach creed, serial\/style number, Coach wordmark, or horse-and-carriage mark is visible.",
                    "photo 1: The frame closure and decorative ribbed clasp do not resemble the typical vintage Coach turnlock construction.",
                    "photo 5: The interior uses a light leather lining and has no visible Coach creed patch."
                ],
                "missing_information": [
                    "photo 4: Close-up of the entire interior and all pockets, although the visible branding already identifies Ackery.",
                    "photo 2: Close-up of hardware markings, if any.",
                    "Seller-stated dimensions and any provenance or approximate purchase date."
                ],
                "authenticity_concerns": [
                    "photo 3: The Ackery London branding is internally inconsistent with Coach manufacture; this appears to be a different English handbag brand rather than a misidentified Coach bag."
                ],
                "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 3: Gold-tone metal frame with a ribbed semicircular clasp; visible aging\/tarnish and surface wear. No Coach engraving is visible.",
                    "leather_description": "photo 1 and photo 6: Black smooth leather exterior with minor white spotting\/blemishes and light edge wear.",
                    "lining_description": "photo 4: Light beige leather lining, stamped \u201cREAL LEATHER LINING \/ MADE IN ENGLAND\u201d; interior appears generally intact with some creasing and age-related discoloration.",
                    "strap_construction": "photo 1 and photo 6: Two fixed, narrow black leather top handles attached through the upper body; no detachable shoulder strap is visible.",
                    "stitching_description": "photo 1 and photo 6: Straight, fine perimeter stitching is visible along the exterior edges; no obvious major seam failure is visible."
                },
                "possible_model_reasoning": [
                    "photo 3: The Ackery London plaque is a direct maker identifier, so no Coach model is appropriate.",
                    "photo 1 and photo 4: The framed handbag construction is consistent with a vintage English Ackery handbag, not the cataloged Coach classic turnlock styles.",
                    "Condition: Good to Very Good; visible white spot and hardware aging are noted in the listing and photos, while the interior appears intact. Bottom and detailed strap-condition views are limited."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 3: bag carries competing maker ID 'Ackery LONDON MADE IN ENGLAND' - not Coach",
                    "photo 4: 'REAL LEATHER LINING MADE IN ENGLAND' - England never a Coach manufacturing country for this type"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "unknown",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed, wordmark, or hangtag to verify - none expected given Ackery branding"
                ],
                "negative_evidence": [
                    "photo 3: interior brass plate reads 'Ackery LONDON MADE IN ENGLAND', not Coach creed",
                    "photo 4: interior stamp 'REAL LEATHER LINING MADE IN ENGLAND' inconsistent with any Coach creed wording\/country",
                    "photo 1, photo 5, photo 6: rigid frame kiss-clasp top with twin fixed handles, not a Coach turnlock\/flap catalog silhouette",
                    "photo 5: tan suede-like leather lining with center divider, no Coach creed patch on back wall or slip pocket",
                    "photo 1, photo 2: smooth black box-calflike leather with gold-tone frame, no COACH wordmark, horse-and-carriage, hangtag, or solid-brass turnlock"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone rigid frame with ribbed kiss-clasp; tarnish\/wear visible; not Coach solid-brass turnlock geometry",
                    "leather_description": "black smooth leather exterior with sheen, some surface marks; twin top handles",
                    "lining_description": "tan suede-like real leather lining with center divider and zip pocket, stamped REAL LEATHER LINING MADE IN ENGLAND",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching, not fully visible in close-up",
                    "strap_construction": "twin fixed top handles, no detachable crossbody strap or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: frame kiss-lock handbag with Ackery London England branding is a different maker and country, inconsistent with all Coach eras",
                    "Condition: Very Good to Good; exterior shows white spot and minor marks (seller text), hardware aging, interior in good pre-owned condition per photo 5"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17735,
            "output_tokens": 885,
            "total_tokens": 18620,
            "estimated_cost_usd": 0.009218
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18069,
            "output_tokens": 1409,
            "total_tokens": 19478,
            "estimated_cost_usd": 0.004741
        }
    ]
}