Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.83,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item is clearly a structured leather-look handbag with a top zipper, shoulder handles, detachable long strap, and front twist-lock.",
        "photo 1,2,4: turning-tab lock present on front"
    ],
    "negative_evidence": [
        "photo 1: Promotional image identifies the item only through generic features such as \u201cGenuine Leather,\u201d \u201cTwist Lock,\u201d and \u201cSmooth Zipper,\u201d with no visible Coach branding.",
        "photo 2: The interior is shown only in a staged promotional graphic; no Coach creed patch, serial tag, or interior brand label is visible.",
        "photo 3: The bag has a contemporary minimalist silhouette and mixed-use strap configuration unlike the identifiable classic vintage Coach models.",
        "photo 4: Stock-style product imagery shows no Coach wordmark, horse-and-carriage emblem, or recognizable Coach hangtag.",
        "photo 5: The small exterior marking is not legible as COACH and appears to be a generic or unrelated brand mark.",
        "listing text: Seller brand is \u201cUnbranded,\u201d and the description uses generic marketplace language rather than Coach-specific construction or identifiers.",
        "photo 1,4: brand-new marketing composite images with BRAND NEW badge, not vintage secondhand photos",
        "photo 1,4: small front logo reads CEVAN-like, not COACH",
        "photo 1: smooth grain-free coated leather with uniform finish, not glove-tanned full-grain with natural grain",
        "photo 1,2,4: silver-tone twist-lock and zipper, not solid brass vintage hardware",
        "photo 2: fabric-lined interior with top-zip plus twist-lock dual closure, not unlined suede-back classic construction",
        "photo 1-5: no creed patch, no leather hangtag, no brass dogleash clips visible"
    ],
    "missing_information": [
        "A straight-on close-up of any interior leather creed patch or fabric label.",
        "A close-up of the small exterior marking near the lower front.",
        "A close-up of the twist-lock hardware, zipper pull, strap clips, and any engraved marks.",
        "Actual non-promotional photos of the bag, including emptied interior, bottom, corners, and strap attachment points.",
        "photo 1-5: no creed patch shown - request interior back-wall close-up in raking light",
        "photo 1-5: no Coach wordmark \/ horse-and-carriage visible - request hardware and hangtag close-ups",
        "photo 2: interior lining and zipper brand stamp not legible - request close-up"
    ],
    "authenticity_concerns": [
        "photo 1: Generic modern promotional design and lack of any Coach identifier provide no support for Coach manufacture.",
        "photo 2: The staged interior graphic does not show a vintage Coach creed or style number.",
        "photo 3: The contemporary bag design, polished hardware, and detachable crossbody strap are inconsistent with the classic vintage Coach population being evaluated."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag is a modern generic tote\/shoulder bag with a round twist lock and detachable strap, and no Coach identifier is visible.",
        "The seller-stated 13 x 5 x 9 inch dimensions and \u201cbrand new\u201d condition suggest a contemporary mass-market item, not a vintage Coach dating category.",
        "Condition: New as presented in promotional images, but actual condition is not independently verifiable because all supplied photos appear to be stock or staged marketing images.",
        "No Coach model fits: hobo\/tote silhouette with top-zip + exterior twist-lock, fabric lining, silver hardware and CEVAN-like front mark does not match any 1970s-1990s catalog style",
        "No creed, serial, wordmark, hangtag or brass hardware to decode for era; construction indicates modern fast-fashion tote",
        "Condition: New per seller and graphics; modern new non-Coach, not graded on vintage scale"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Small round twist-lock closure with polished silver-tone appearance; detailed construction and maker markings are not visible.",
        "leather_description": "photo 1: Smooth, uniform tan\/caramel surface presented as genuine leather in the promotional graphic; actual leather quality and edges are not verifiable.",
        "lining_description": "brown fabric lining visible in photo 2 interior view, not unlined suede",
        "strap_construction": "photos 1 and 3: Two short shoulder straps plus a detachable adjustable long strap are shown in promotional graphics.",
        "stitching_description": "photo 1: Even-looking contrasting edge stitching is visible in the product graphic; construction quality cannot be verified from stock imagery."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item is clearly a structured leather-look handbag with a top zipper, shoulder handles, detachable long strap, and front twist-lock."
                ],
                "negative_evidence": [
                    "photo 1: Promotional image identifies the item only through generic features such as \u201cGenuine Leather,\u201d \u201cTwist Lock,\u201d and \u201cSmooth Zipper,\u201d with no visible Coach branding.",
                    "photo 2: The interior is shown only in a staged promotional graphic; no Coach creed patch, serial tag, or interior brand label is visible.",
                    "photo 3: The bag has a contemporary minimalist silhouette and mixed-use strap configuration unlike the identifiable classic vintage Coach models.",
                    "photo 4: Stock-style product imagery shows no Coach wordmark, horse-and-carriage emblem, or recognizable Coach hangtag.",
                    "photo 5: The small exterior marking is not legible as COACH and appears to be a generic or unrelated brand mark.",
                    "listing text: Seller brand is \u201cUnbranded,\u201d and the description uses generic marketplace language rather than Coach-specific construction or identifiers."
                ],
                "missing_information": [
                    "A straight-on close-up of any interior leather creed patch or fabric label.",
                    "A close-up of the small exterior marking near the lower front.",
                    "A close-up of the twist-lock hardware, zipper pull, strap clips, and any engraved marks.",
                    "Actual non-promotional photos of the bag, including emptied interior, bottom, corners, and strap attachment points."
                ],
                "authenticity_concerns": [
                    "photo 1: Generic modern promotional design and lack of any Coach identifier provide no support for Coach manufacture.",
                    "photo 2: The staged interior graphic does not show a vintage Coach creed or style number.",
                    "photo 3: The contemporary bag design, polished hardware, and detachable crossbody strap are inconsistent with the classic vintage Coach population being evaluated."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: Small round twist-lock closure with polished silver-tone appearance; detailed construction and maker markings are not visible.",
                    "leather_description": "photo 1: Smooth, uniform tan\/caramel surface presented as genuine leather in the promotional graphic; actual leather quality and edges are not verifiable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1 and 3: Two short shoulder straps plus a detachable adjustable long strap are shown in promotional graphics.",
                    "stitching_description": "photo 1: Even-looking contrasting edge stitching is visible in the product graphic; construction quality cannot be verified from stock imagery."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag is a modern generic tote\/shoulder bag with a round twist lock and detachable strap, and no Coach identifier is visible.",
                    "The seller-stated 13 x 5 x 9 inch dimensions and \u201cbrand new\u201d condition suggest a contemporary mass-market item, not a vintage Coach dating category.",
                    "Condition: New as presented in promotional images, but actual condition is not independently verifiable because all supplied photos appear to be stock or staged marketing images."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-5: no creed patch shown - request interior back-wall close-up in raking light",
                    "photo 1-5: no Coach wordmark \/ horse-and-carriage visible - request hardware and hangtag close-ups",
                    "photo 2: interior lining and zipper brand stamp not legible - request close-up"
                ],
                "negative_evidence": [
                    "photo 1,4: brand-new marketing composite images with BRAND NEW badge, not vintage secondhand photos",
                    "photo 1,4: small front logo reads CEVAN-like, not COACH",
                    "photo 1: smooth grain-free coated leather with uniform finish, not glove-tanned full-grain with natural grain",
                    "photo 1,2,4: silver-tone twist-lock and zipper, not solid brass vintage hardware",
                    "photo 2: fabric-lined interior with top-zip plus twist-lock dual closure, not unlined suede-back classic construction",
                    "photo 1-5: no creed patch, no leather hangtag, no brass dogleash clips visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone twist-lock on front, gold-tone zipper with leather pull tab; modern plated finish, small round twist-lock geometry",
                    "leather_description": "smooth tan\/brown leather with grain-free uniform coated finish, no natural scars or patina visible",
                    "lining_description": "brown fabric lining visible in photo 2 interior view, not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight even machine stitching tone-on-tone, visible in close-up insets",
                    "strap_construction": "two short non-detachable shoulder straps plus one detachable long crossbody strap per graphics",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1,2,4: turning-tab lock present on front"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: hobo\/tote silhouette with top-zip + exterior twist-lock, fabric lining, silver hardware and CEVAN-like front mark does not match any 1970s-1990s catalog style",
                    "No creed, serial, wordmark, hangtag or brass hardware to decode for era; construction indicates modern fast-fashion tote",
                    "Condition: New per seller and graphics; modern new non-Coach, not graded on vintage scale"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17749,
            "output_tokens": 841,
            "total_tokens": 18590,
            "estimated_cost_usd": 0.009118
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18264,
            "output_tokens": 1033,
            "total_tokens": 19297,
            "estimated_cost_usd": 0.004479
        }
    ]
}