Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.625,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.875,
    "recommended_max_bid": 12,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder bag with a flap and adjustable shoulder strap.",
        "photo 2: Leather body and flap appear substantial and show natural wear.",
        "photo 1: Decorative hand-painted floral work is visible."
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage mark, or recognizable Coach branding.",
        "photo 2: No rectangular Coach creed patch or readable serial\/style number is visible on the interior-facing surfaces shown.",
        "photo 1: Ornate hand-tooled\/painted floral construction, extensive perimeter lacing, and a decorative central leather closure are not characteristic of the classic Coach catalog styles.",
        "photo 3: Braided leather strap construction and side lacing point more toward a Mexican tooled-leather artisan bag than Coach.",
        "photo 4: The back is plain tooled leather with no visible Coach identifier.",
        "listing text: Seller states the bag is made in Mexico, but this is not independently verified by a visible tag; the description does not provide Coach-specific evidence.",
        "photo 1: hand-tooled and hand-painted floral decoration not used on vintage Coach classics",
        "photo 1,2,4: laced thong edge construction and cut-out flap, not Coach construction",
        "photo 2: leather loop-and-stud closure, no brass turnlock geometry",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no solid brass hardware visible",
        "photo 2: raw suede interior with no creed patch on back wall",
        "seller text states made in Mexico hand-tooled craft bag, not a Coach identifier"
    ],
    "missing_information": [
        "photo request: Straight-on close-up of every interior wall and pocket, including any possible creed patch or fabric tag.",
        "photo request: Close-up of the closure, strap attachments, and any maker's marks or stamps.",
        "photo request: Bottom, corners, and interior base to assess wear and construction.",
        "photo request: Any attached or loose label identifying the maker and country of manufacture.",
        "photo of any interior brand stamp, creed patch or Made in Mexico stamp close-up",
        "photo of bottom and interior emptied to assess lining and condition",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "photo 1: The visible silhouette and decorative construction are inconsistent with known vintage Coach classic models.",
        "photo 2: No Coach identifier is visible in the available interior view; this is most consistent with a non-Coach lookalike or artisan leather bag.",
        "photo 1: The prominent decorative closure and extensive leather lacing do not resemble standard vintage Coach turnlock geometry."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the floral tooling, laced edges, decorative closure, and braided strap differ from the cataloged Coach silhouettes.",
        "Seller's claimed 1970s date cannot be verified from the photos; no period Coach creed, label, or other dated identifier is visible.",
        "Condition appears Good: visible surface wear, discoloration, and scuffing, though the bag appears structurally intact; interior condition and odor are unknown.",
        "No Coach silhouette match: small tooled Mexican craft purse with laced edges and painted flowers does not correspond to any catalog style in 4.1-4.2",
        "Era reasoning: seller claims 1970s and construction is consistent with 1970s Mexican tourist craft, but no Coach NYC\/US creed, cartouche, Talon zipper or solid brass to support Coach vintage era",
        "Condition: Very Good to Good; leather shows patina and darkening but no tears or cracking visible; full condition capped by no bottom, no emptied interior, no strap-fold close-up (photos 1-6)"
    ],
    "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: Small metal studs\/rivets and a decorative leather strap closure are visible; no Coach-engraved hardware is visible.",
        "leather_description": "photo 1: Brown leather with hand-painted floral decoration and apparent tooling; surface shows patina, scuffs, and uneven color variation.",
        "lining_description": "appears unlined suede-back leather interior (photo 2); interior not emptied, no fabric lining seen",
        "strap_construction": "photo 1 and photo 3: Long adjustable leather shoulder strap with braided\/looped sections and side attachment hardware.",
        "stitching_description": "photo 2 and photo 4: Perimeter leather lacing is visible; conventional interior seam stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder bag with a flap and adjustable shoulder strap.",
                    "photo 2: Leather body and flap appear substantial and show natural wear.",
                    "photo 1: Decorative hand-painted floral work is visible."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage mark, or recognizable Coach branding.",
                    "photo 2: No rectangular Coach creed patch or readable serial\/style number is visible on the interior-facing surfaces shown.",
                    "photo 1: Ornate hand-tooled\/painted floral construction, extensive perimeter lacing, and a decorative central leather closure are not characteristic of the classic Coach catalog styles.",
                    "photo 3: Braided leather strap construction and side lacing point more toward a Mexican tooled-leather artisan bag than Coach.",
                    "photo 4: The back is plain tooled leather with no visible Coach identifier.",
                    "listing text: Seller states the bag is made in Mexico, but this is not independently verified by a visible tag; the description does not provide Coach-specific evidence."
                ],
                "missing_information": [
                    "photo request: Straight-on close-up of every interior wall and pocket, including any possible creed patch or fabric tag.",
                    "photo request: Close-up of the closure, strap attachments, and any maker's marks or stamps.",
                    "photo request: Bottom, corners, and interior base to assess wear and construction.",
                    "photo request: Any attached or loose label identifying the maker and country of manufacture."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible silhouette and decorative construction are inconsistent with known vintage Coach classic models.",
                    "photo 2: No Coach identifier is visible in the available interior view; this is most consistent with a non-Coach lookalike or artisan leather bag.",
                    "photo 1: The prominent decorative closure and extensive leather lacing do not resemble standard vintage Coach turnlock geometry."
                ],
                "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: Small metal studs\/rivets and a decorative leather strap closure are visible; no Coach-engraved hardware is visible.",
                    "leather_description": "photo 1: Brown leather with hand-painted floral decoration and apparent tooling; surface shows patina, scuffs, and uneven color variation.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1 and photo 3: Long adjustable leather shoulder strap with braided\/looped sections and side attachment hardware.",
                    "stitching_description": "photo 2 and photo 4: Perimeter leather lacing is visible; conventional interior seam stitching is not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the floral tooling, laced edges, decorative closure, and braided strap differ from the cataloged Coach silhouettes.",
                    "Seller's claimed 1970s date cannot be verified from the photos; no period Coach creed, label, or other dated identifier is visible.",
                    "Condition appears Good: visible surface wear, discoloration, and scuffing, though the bag appears structurally intact; interior condition and odor are unknown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "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": 0.6,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of any interior brand stamp, creed patch or Made in Mexico stamp close-up",
                    "photo of bottom and interior emptied to assess lining and condition",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1: hand-tooled and hand-painted floral decoration not used on vintage Coach classics",
                    "photo 1,2,4: laced thong edge construction and cut-out flap, not Coach construction",
                    "photo 2: leather loop-and-stud closure, no brass turnlock geometry",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no solid brass hardware visible",
                    "photo 2: raw suede interior with no creed patch on back wall",
                    "seller text states made in Mexico hand-tooled craft bag, not a Coach identifier"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass turnlock, buckles or zippers visible; small metal studs\/rivets on flap and body; leather loop closure tab (photo 2)",
                    "leather_description": "medium-brown tooled leather with hand-painted white\/orange flowers and green\/red leaves, burnished patina, laced edges",
                    "lining_description": "appears unlined suede-back leather interior (photo 2); interior not emptied, no fabric lining seen",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitching visible; assembled with dark leather lacing\/thong around perimeter (photos 1,4,5)",
                    "strap_construction": "thin flat leather shoulder strap with braided\/twisted center section, non-adjustable, attached with lacing (photos 3,6)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: small tooled Mexican craft purse with laced edges and painted flowers does not correspond to any catalog style in 4.1-4.2",
                    "Era reasoning: seller claims 1970s and construction is consistent with 1970s Mexican tourist craft, but no Coach NYC\/US creed, cartouche, Talon zipper or solid brass to support Coach vintage era",
                    "Condition: Very Good to Good; leather shows patina and darkening but no tears or cracking visible; full condition capped by no bottom, no emptied interior, no strap-fold close-up (photos 1-6)"
                ],
                "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": 17753,
            "output_tokens": 1009,
            "total_tokens": 18762,
            "estimated_cost_usd": 0.009523
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18088,
            "output_tokens": 1410,
            "total_tokens": 19498,
            "estimated_cost_usd": 0.004746
        }
    ]
}