Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.225,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.895,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather flap crossbody handbag form in brown leather, the broad population where vintage Coach hides",
        "photo 6: raw suede underside \/ unlined construction similar in concept to unlined vintage classics, but not diagnostic"
    ],
    "negative_evidence": [
        "photo 2: the bag has a prominent decorative hamsa\/hand plate with a blue stone and extensive studded ornamentation, unlike standard Coach construction.",
        "photo 2: closure is a strap-and-buckle arrangement rather than a Coach turnlock.",
        "photo 3: visible side construction uses multiple narrow leather straps and metal rivets, with no Coach identifiers.",
        "photo 4: the front is decorated with Moroccan-style metalwork and studs rather than a Coach wordmark, carriage, or restrained vintage Coach hardware.",
        "photo 5: close-up of the central ornament shows no COACH marking.",
        "photo 6: interior appears raw suede with a large studded decorative panel and snap pocket; no creed patch or fabric Coach tag is visible.",
        "photo 4, photo 5: large etched Hamsa-hand metal applique with blue gemstone center and all-over dome studs - never a Coach design vocabulary",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 2: closure is narrow rectangular bar clasp, not Coach Cashin turnlock geometry with wide oval back plate and slim tab",
        "photo 3: silver-tone rivets and rectangular buckle with mixed finishes, not vintage Coach solid brass throughout",
        "photo 6: crude construction with visible stud backs through suede flap underside, inconsistent with Coach finishing"
    ],
    "missing_information": [
        "photo 6: no straight-on view of the entire interior back wall or any potential maker label.",
        "photo 1-6: no readable brand stamp, country-of-origin mark, or zipper-pull branding is shown.",
        "photo 1-6: bottom, strap attachment points, and stitching are only partially documented.",
        "photo 6: interior main compartment and creed area not shown - no stamped leather creed patch visible in any view",
        "photo 2, photo 3: closure hardware detail - clasp front\/back plate not shown close-up to confirm turnlock vs snap\/clip",
        "photo 3: strap attachment and adjustment hardware not fully shown"
    ],
    "authenticity_concerns": [
        "photo 2: the ornate hamsa medallion, gemstone, and dense stud pattern are strong lookalike\/non-Coach design cues.",
        "photo 3: hardware and strap construction do not match the classic Coach turnlock and dogleash-clip vocabulary."
    ],
    "possible_model_reasoning": [
        "photo 1-6: silhouette is a handmade Moroccan-style studded crossbody bag, not a recognizable Coach catalog model.",
        "photo 2 and photo 5: the hamsa centerpiece and decorative stud layout are inconsistent with classic Coach City Bag, Willis, Court, Station, or Dinky designs.",
        "photo 6: raw suede lining alone is not evidence of Coach because other handmade leather makers also use suede interiors.",
        "Condition: Good; visible scratches and creasing across the leather (photo 1), with substantial decorative hardware and no obvious major tears shown; interior condition and odor are unknown.",
        "No Coach model fits: silhouette is plain saddle flap but decoration, hardware, and construction are Moroccan artisanal, not any catalog style 9790\/9927\/9870 etc.",
        "No creed, serial, wordmark, hangtag, or solid-brass turnlock to decode era; seller text describes handmade Moroccan bag which matches photos",
        "Condition: Good to Very Good for an artisanal bag; even patina, minor scratches per seller, no corner blowouts visible, but interior, bottom, and strap fold not fully shown so 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 2 and photo 5: numerous round metal studs, a large engraved hamsa-shaped plate with blue stone, and a strap buckle; no visible COACH engraving.",
        "leather_description": "photo 1-6: brown leather with a glossy, heavily worn surface and numerous fine scratches\/creases; exact leather type is not determinable.",
        "lining_description": "photo 6: raw suede interior is visible, with a front snap-pocket compartment; no Coach label or creed is visible.",
        "strap_construction": "photo 3 and photo 6: long adjustable leather crossbody strap attached with metal hardware; strap appears narrow and separate from the body gusset.",
        "stitching_description": "photo 1-6: visible perimeter stitching is generally even, though fine construction quality cannot be fully assessed from these views."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.25,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: the bag has a prominent decorative hamsa\/hand plate with a blue stone and extensive studded ornamentation, unlike standard Coach construction.",
                    "photo 2: closure is a strap-and-buckle arrangement rather than a Coach turnlock.",
                    "photo 3: visible side construction uses multiple narrow leather straps and metal rivets, with no Coach identifiers.",
                    "photo 4: the front is decorated with Moroccan-style metalwork and studs rather than a Coach wordmark, carriage, or restrained vintage Coach hardware.",
                    "photo 5: close-up of the central ornament shows no COACH marking.",
                    "photo 6: interior appears raw suede with a large studded decorative panel and snap pocket; no creed patch or fabric Coach tag is visible."
                ],
                "missing_information": [
                    "photo 6: no straight-on view of the entire interior back wall or any potential maker label.",
                    "photo 1-6: no readable brand stamp, country-of-origin mark, or zipper-pull branding is shown.",
                    "photo 1-6: bottom, strap attachment points, and stitching are only partially documented."
                ],
                "authenticity_concerns": [
                    "photo 2: the ornate hamsa medallion, gemstone, and dense stud pattern are strong lookalike\/non-Coach design cues.",
                    "photo 3: hardware and strap construction do not match the classic Coach turnlock and dogleash-clip vocabulary."
                ],
                "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 2 and photo 5: numerous round metal studs, a large engraved hamsa-shaped plate with blue stone, and a strap buckle; no visible COACH engraving.",
                    "leather_description": "photo 1-6: brown leather with a glossy, heavily worn surface and numerous fine scratches\/creases; exact leather type is not determinable.",
                    "lining_description": "photo 6: raw suede interior is visible, with a front snap-pocket compartment; no Coach label or creed is visible.",
                    "strap_construction": "photo 3 and photo 6: long adjustable leather crossbody strap attached with metal hardware; strap appears narrow and separate from the body gusset.",
                    "stitching_description": "photo 1-6: visible perimeter stitching is generally even, though fine construction quality cannot be fully assessed from these views."
                },
                "possible_model_reasoning": [
                    "photo 1-6: silhouette is a handmade Moroccan-style studded crossbody bag, not a recognizable Coach catalog model.",
                    "photo 2 and photo 5: the hamsa centerpiece and decorative stud layout are inconsistent with classic Coach City Bag, Willis, Court, Station, or Dinky designs.",
                    "photo 6: raw suede lining alone is not evidence of Coach because other handmade leather makers also use suede interiors.",
                    "Condition: Good; visible scratches and creasing across the leather (photo 1), with substantial decorative hardware and no obvious major tears shown; interior condition and odor are unknown."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior main compartment and creed area not shown - no stamped leather creed patch visible in any view",
                    "photo 2, photo 3: closure hardware detail - clasp front\/back plate not shown close-up to confirm turnlock vs snap\/clip",
                    "photo 3: strap attachment and adjustment hardware not fully shown"
                ],
                "negative_evidence": [
                    "photo 4, photo 5: large etched Hamsa-hand metal applique with blue gemstone center and all-over dome studs - never a Coach design vocabulary",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 2: closure is narrow rectangular bar clasp, not Coach Cashin turnlock geometry with wide oval back plate and slim tab",
                    "photo 3: silver-tone rivets and rectangular buckle with mixed finishes, not vintage Coach solid brass throughout",
                    "photo 6: crude construction with visible stud backs through suede flap underside, inconsistent with Coach finishing"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone dome studs all over flap, large silver-tone Hamsa plate with blue stone; narrow silver-tone bar clasp at flap tip; silver rivets and buckle at side strap; no brass turnlock, no COACH stamping visible",
                    "leather_description": "photo 1: medium-brown smooth leather with grain and patina, flap back plain; photo 6: tan suede underside of flap",
                    "lining_description": "photo 6: unlined suede interior side visible under open flap with small flap pocket; main compartment interior not emptied\/shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 6: dark edge stitching around flap perimeter and pocket, even but simple; no detailed stress-point views",
                    "strap_construction": "photo 1, photo 3: flat narrow brown leather crossbody strap, riveted to body side tabs with buckle adjustment visible in photo 3",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather flap crossbody handbag form in brown leather, the broad population where vintage Coach hides",
                    "photo 6: raw suede underside \/ unlined construction similar in concept to unlined vintage classics, but not diagnostic"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is plain saddle flap but decoration, hardware, and construction are Moroccan artisanal, not any catalog style 9790\/9927\/9870 etc.",
                    "No creed, serial, wordmark, hangtag, or solid-brass turnlock to decode era; seller text describes handmade Moroccan bag which matches photos",
                    "Condition: Good to Very Good for an artisanal bag; even patina, minor scratches per seller, no corner blowouts visible, but interior, bottom, and strap fold not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17758,
            "output_tokens": 866,
            "total_tokens": 18624,
            "estimated_cost_usd": 0.009182
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18099,
            "output_tokens": 1227,
            "total_tokens": 19326,
            "estimated_cost_usd": 0.004601
        }
    ]
}