Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.04,
    "vintage_probability": 0.705,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.725,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather flap shoulder bag with an aged, vintage-looking silhouette.",
        "photo 2: brown leather body with visible surface wear and decorative floral tooling.",
        "photo 3: suede-like\/raw leather interior or underside is visible, a construction detail that can occur on older leather bags.",
        "photo 4: long leather shoulder strap and substantial leather construction are visible.",
        "photo 3: unlined leather interior consistent with vintage leather bag construction in general, not specific to Coach"
    ],
    "negative_evidence": [
        "photo 1: no legible COACH wordmark, horse-and-carriage mark, or Coach hangtag is visible.",
        "photo 2: the prominent floral tooling is generic boho\/saddle-bag decoration and is not a Coach identifier.",
        "photo 2: closure appears to be a simple loop\/button-style fastening rather than a recognizable Coach turnlock.",
        "photo 3: no rectangular sewn Coach creed patch or serial number is visible.",
        "photo 4: strap attachment and hardware appear generic; no Coach-specific hardware marking is visible.",
        "photo 2: hand-tooled embossed floral decoration with colored inlay on flap - never used on vintage Coach classics",
        "photo 2 and 3: leather lace-loop closure with no brass turnlock - inconsistent with Coach flap construction and turnlock geometry",
        "photo 1-4: no solid brass hardware, no dogleash clips, no buckles, no rivets visible",
        "photo 3: no creed patch visible on interior wall\/flap underside where shown",
        "photo 1-4: no COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1-4: silhouette and 11x7x3 saddle shape with thin flat strap does not match any Coach catalog style"
    ],
    "missing_information": [
        "Straight-on interior photo, including every interior wall and pocket.",
        "Close-up of any interior leather or fabric label, creed patch, or number.",
        "Close-up of the closure, strap attachments, and any hardware stamps.",
        "Full bottom and side views, including all corners and seams.",
        "Seller-stated provenance and exact measurements should be treated as unverified until visually supported.",
        "photo of interior emptied showing any maker stamp, creed patch or fabric label",
        "photo of closure hardware front and back in focus",
        "photo of bottom, corners and strap anchors",
        "straight-on creed\/label close-up in raking light if any stamp exists"
    ],
    "authenticity_concerns": [
        "The bag has no visible Coach identifier and its floral tooling, loop closure, and overall saddle-bag construction are consistent with a generic vintage leather bag or another maker's product.",
        "The visible design does not strongly match the documented classic Coach construction cues of a creed patch, Coach hangtag, or characteristic brass turnlock."
    ],
    "possible_model_reasoning": [
        "The silhouette could superficially resemble a vintage saddle or shoulder bag, but no Coach-specific model features or identifiers are visible.",
        "Coach's pre-1975 Cashin-era bags can lack a creed, but this bag's floral tooling and generic closure are insufficient to associate it with a Cashin or Coach model.",
        "Seller's stated 1960s\/1970s dating is not independently verifiable from the photos; construction appears vintage but the exact era is unknown.",
        "Condition: Good; substantial scratches, darkened\/worn leather, and visible marks are present in photos 1-3; interior, odor, mold, and full strap condition remain unknown.",
        "No Coach model fits: tooling, lace closure and lack of turnlock\/brass\/creed exclude City Bag, Dinky, Court, Willis and other classics",
        "Bag reads as generic 1960s\/1970s hand-tooled boho\/hippie saddle bag, consistent with seller description of hand-tooled floral design",
        "Condition: Good to Very Good vintage wear; photo 2 shows surface scratches, patina and darkened flap edge, strap appears intact (photo 4) but bottom\/corners\/interior not fully shown so grade 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 1-2: dark, minimally visible closure hardware with a loop\/button-style fastening; no Coach engraving is visible.",
        "leather_description": "photo 1-3: brown leather with extensive surface scuffing, patina, and hand-tooled floral decoration; underside\/interior appears suede-like.",
        "lining_description": "photo 3: no conventional fabric lining is visible; interior details are incomplete.",
        "strap_construction": "photo 1 and photo 4: long brown leather shoulder strap, apparently attached at side hardware; full attachment and adjustment construction are not visible.",
        "stitching_description": "photo 2-4: perimeter stitching is visible and generally even, though close inspection of all seams is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0036,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.76,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.07,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather flap shoulder bag with an aged, vintage-looking silhouette.",
                    "photo 2: brown leather body with visible surface wear and decorative floral tooling.",
                    "photo 3: suede-like\/raw leather interior or underside is visible, a construction detail that can occur on older leather bags.",
                    "photo 4: long leather shoulder strap and substantial leather construction are visible."
                ],
                "negative_evidence": [
                    "photo 1: no legible COACH wordmark, horse-and-carriage mark, or Coach hangtag is visible.",
                    "photo 2: the prominent floral tooling is generic boho\/saddle-bag decoration and is not a Coach identifier.",
                    "photo 2: closure appears to be a simple loop\/button-style fastening rather than a recognizable Coach turnlock.",
                    "photo 3: no rectangular sewn Coach creed patch or serial number is visible.",
                    "photo 4: strap attachment and hardware appear generic; no Coach-specific hardware marking is visible."
                ],
                "missing_information": [
                    "Straight-on interior photo, including every interior wall and pocket.",
                    "Close-up of any interior leather or fabric label, creed patch, or number.",
                    "Close-up of the closure, strap attachments, and any hardware stamps.",
                    "Full bottom and side views, including all corners and seams.",
                    "Seller-stated provenance and exact measurements should be treated as unverified until visually supported."
                ],
                "authenticity_concerns": [
                    "The bag has no visible Coach identifier and its floral tooling, loop closure, and overall saddle-bag construction are consistent with a generic vintage leather bag or another maker's product.",
                    "The visible design does not strongly match the documented classic Coach construction cues of a creed patch, Coach hangtag, or characteristic brass turnlock."
                ],
                "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 1-2: dark, minimally visible closure hardware with a loop\/button-style fastening; no Coach engraving is visible.",
                    "leather_description": "photo 1-3: brown leather with extensive surface scuffing, patina, and hand-tooled floral decoration; underside\/interior appears suede-like.",
                    "lining_description": "photo 3: no conventional fabric lining is visible; interior details are incomplete.",
                    "strap_construction": "photo 1 and photo 4: long brown leather shoulder strap, apparently attached at side hardware; full attachment and adjustment construction are not visible.",
                    "stitching_description": "photo 2-4: perimeter stitching is visible and generally even, though close inspection of all seams is unavailable."
                },
                "possible_model_reasoning": [
                    "The silhouette could superficially resemble a vintage saddle or shoulder bag, but no Coach-specific model features or identifiers are visible.",
                    "Coach's pre-1975 Cashin-era bags can lack a creed, but this bag's floral tooling and generic closure are insufficient to associate it with a Cashin or Coach model.",
                    "Seller's stated 1960s\/1970s dating is not independently verifiable from the photos; construction appears vintage but the exact era is unknown.",
                    "Condition: Good; substantial scratches, darkened\/worn leather, and visible marks are present in photos 1-3; interior, odor, mold, and full strap condition remain unknown."
                ],
                "confidence": 0.67,
                "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": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior emptied showing any maker stamp, creed patch or fabric label",
                    "photo of closure hardware front and back in focus",
                    "photo of bottom, corners and strap anchors",
                    "straight-on creed\/label close-up in raking light if any stamp exists"
                ],
                "negative_evidence": [
                    "photo 2: hand-tooled embossed floral decoration with colored inlay on flap - never used on vintage Coach classics",
                    "photo 2 and 3: leather lace-loop closure with no brass turnlock - inconsistent with Coach flap construction and turnlock geometry",
                    "photo 1-4: no solid brass hardware, no dogleash clips, no buckles, no rivets visible",
                    "photo 3: no creed patch visible on interior wall\/flap underside where shown",
                    "photo 1-4: no COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1-4: silhouette and 11x7x3 saddle shape with thin flat strap does not match any Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass hardware visible; closure appears to be leather tab with lace loop (photo 2-3); no turnlock, buckles or clips shown",
                    "leather_description": "brown distressed smooth leather with hand-stamped floral tooling and faint color accents on flap (photo 2); heavy patina, scratches and darkened edges",
                    "lining_description": "appears unlined suede-back leather visible in photo 3 under flap; no fabric lining shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching not legible in provided photos",
                    "strap_construction": "photo 1 and 4: long narrow flat leather shoulder strap, no buckle adjustment or brass clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 3: unlined leather interior consistent with vintage leather bag construction in general, not specific to Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooling, lace closure and lack of turnlock\/brass\/creed exclude City Bag, Dinky, Court, Willis and other classics",
                    "Bag reads as generic 1960s\/1970s hand-tooled boho\/hippie saddle bag, consistent with seller description of hand-tooled floral design",
                    "Condition: Good to Very Good vintage wear; photo 2 shows surface scratches, patina and darkened flap edge, strap appears intact (photo 4) but bottom\/corners\/interior not fully shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17147,
            "output_tokens": 990,
            "total_tokens": 18137,
            "estimated_cost_usd": 0.009235
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17609,
            "output_tokens": 1545,
            "total_tokens": 19154,
            "estimated_cost_usd": 0.004758
        }
    ]
}