Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.265,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.82,
    "recommended_max_bid": 9,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Complete shoulder bag\/clutch silhouette with an adjustable-looking shoulder strap.",
        "photo 3: Brown suede-like panels and mustard patent-like material are visible."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware.",
        "photo 1: The central closure appears to be a small oval snap rather than a Coach turnlock.",
        "photo 1: The very thin, glossy strap and mixed suede\/patent construction do not resemble the classic glove-tanned leather Coach handbag population.",
        "photo 6: Interior is fabric-lined with a visible zipper compartment; no Coach creed patch or fabric identification tag is visible.",
        "photo 6: Hardware is generic oval snap hardware with no legible branding.",
        "photo 2: The ruler suggests an approximately 12\u201313 inch wide bag, but its silhouette and construction do not match a clear catalog Coach model.",
        "photo 1, photo 2: no Coach creed patch, wordmark, hangtag, or horse-and-carriage visible",
        "photo 4: fully lined interior with pink fabric flap lining and beige synthetic body lining with zip pocket - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
        "photo 1, photo 2, photo 5: brown suede + mustard patent two-tone flap bag with small oval snap, not solid-brass Coach turnlock geometry",
        "photo 1-3: thin fixed patent shoulder strap with no brass buckle, dogleash clips, or dowel - inconsistent with Coach construction",
        "photo 1, photo 2, photo 5: silhouette, materials and snap closure match no catalog Coach style"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket seam to confirm no concealed brand label or creed.",
        "Close-ups of the strap attachment points, zipper pull, snap hardware, and stitching.",
        "Back, bottom, and side photographs showing construction and any hidden markings.",
        "Seller-stated material composition and approximate dimensions.",
        "No creed patch visible in any photo - request straight-on interior back-wall\/pocket photo (photo 4 shows interior with no creed)",
        "No Coach wordmark, hangtag, or hardware stamps visible - request close-ups of any maker marks",
        "No bottom\/side\/corner close-ups to fully grade wear"
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and has generic construction consistent with an unbranded vintage-style bag rather than a Coach product.",
        "The fabric lining and patent-like exterior material are inconsistent with the classic unlined glove-tanned Coach styles that its general silhouette might superficially resemble."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag has no identifier, uses a fabric lining, and has a generic oval snap rather than a cataloged vintage Coach turnlock or clasp.",
        "The compact rectangular shoulder-bag\/clutch form is common among generic 1970s\u20132000s accessories and is not distinctive enough to establish Coach origin.",
        "Condition: Good to Very Good based on visible intact exterior and lining, with some apparent creasing\/handling marks; bottom, corners, odor, and long-term strap condition are not fully assessable from the photos.",
        "No Coach model fits: flap + snap + suede\/patent combo + fully lined interior + thin sewn-on strap is inconsistent with City Bag, Willis, Court, Dinky or other classics",
        "No serial to decode, no creed era to assign",
        "Condition: Very Good; exterior suede and patent look clean with light wear in photos 1-2, interior looks clean in photo 4, but bottom\/corners not 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": "Small oval snap closure and zipper hardware are visible; no branding is legible. A turnlock is not visible.",
        "leather_description": "Brown suede-like material and mustard yellow glossy patent-like material are visible; genuine leather composition is not confirmed.",
        "lining_description": "Light-colored fabric lining with a central zippered compartment is visible in photo 6; no creed or brand label is visible.",
        "strap_construction": "Long, narrow glossy mustard-colored shoulder strap, apparently attached at the bag sides; detailed attachment construction is not fully visible.",
        "stitching_description": "Straight perimeter and panel stitching is visible, but close-up stitch quality and thread details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Complete shoulder bag\/clutch silhouette with an adjustable-looking shoulder strap.",
                    "photo 3: Brown suede-like panels and mustard patent-like material are visible."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware.",
                    "photo 1: The central closure appears to be a small oval snap rather than a Coach turnlock.",
                    "photo 1: The very thin, glossy strap and mixed suede\/patent construction do not resemble the classic glove-tanned leather Coach handbag population.",
                    "photo 6: Interior is fabric-lined with a visible zipper compartment; no Coach creed patch or fabric identification tag is visible.",
                    "photo 6: Hardware is generic oval snap hardware with no legible branding.",
                    "photo 2: The ruler suggests an approximately 12\u201313 inch wide bag, but its silhouette and construction do not match a clear catalog Coach model."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket seam to confirm no concealed brand label or creed.",
                    "Close-ups of the strap attachment points, zipper pull, snap hardware, and stitching.",
                    "Back, bottom, and side photographs showing construction and any hidden markings.",
                    "Seller-stated material composition and approximate dimensions."
                ],
                "authenticity_concerns": [
                    "The bag lacks any visible Coach identifier and has generic construction consistent with an unbranded vintage-style bag rather than a Coach product.",
                    "The fabric lining and patent-like exterior material are inconsistent with the classic unlined glove-tanned Coach styles that its general silhouette might superficially resemble."
                ],
                "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": "Small oval snap closure and zipper hardware are visible; no branding is legible. A turnlock is not visible.",
                    "leather_description": "Brown suede-like material and mustard yellow glossy patent-like material are visible; genuine leather composition is not confirmed.",
                    "lining_description": "Light-colored fabric lining with a central zippered compartment is visible in photo 6; no creed or brand label is visible.",
                    "strap_construction": "Long, narrow glossy mustard-colored shoulder strap, apparently attached at the bag sides; detailed attachment construction is not fully visible.",
                    "stitching_description": "Straight perimeter and panel stitching is visible, but close-up stitch quality and thread details are limited."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag has no identifier, uses a fabric lining, and has a generic oval snap rather than a cataloged vintage Coach turnlock or clasp.",
                    "The compact rectangular shoulder-bag\/clutch form is common among generic 1970s\u20132000s accessories and is not distinctive enough to establish Coach origin.",
                    "Condition: Good to Very Good based on visible intact exterior and lining, with some apparent creasing\/handling marks; bottom, corners, odor, and long-term strap condition are not fully assessable from the photos."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch visible in any photo - request straight-on interior back-wall\/pocket photo (photo 4 shows interior with no creed)",
                    "No Coach wordmark, hangtag, or hardware stamps visible - request close-ups of any maker marks",
                    "No bottom\/side\/corner close-ups to fully grade wear"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no Coach creed patch, wordmark, hangtag, or horse-and-carriage visible",
                    "photo 4: fully lined interior with pink fabric flap lining and beige synthetic body lining with zip pocket - vintage Coach classics are unlined suede-back glove-tanned, not fabric-lined",
                    "photo 1, photo 2, photo 5: brown suede + mustard patent two-tone flap bag with small oval snap, not solid-brass Coach turnlock geometry",
                    "photo 1-3: thin fixed patent shoulder strap with no brass buckle, dogleash clips, or dowel - inconsistent with Coach construction",
                    "photo 1, photo 2, photo 5: silhouette, materials and snap closure match no catalog Coach style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone small oval snap\/tuck closure on flap (photo 1, photo 2); interior brass-tone zipper and side snap for strap (photo 4); no solid-brass turnlock, no stamped pulls",
                    "leather_description": "brown suede flap and lower panel with mustard-yellow high-gloss patent-like center panel and strap (photo 1, photo 2, photo 5); not glove-tanned cowhide",
                    "lining_description": "photo 4: light pink woven fabric under flap, beige synthetic lining in body with inset zip pocket; no suede-back, no creed patch",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched edge stitching visible on flap and sides (photo 1, photo 5); no detail to assess stress points",
                    "strap_construction": "thin fixed-length mustard patent-like shoulder strap sewn directly to body sides (photo 1, photo 2, photo 3); no adjustment, no brass clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: flap + snap + suede\/patent combo + fully lined interior + thin sewn-on strap is inconsistent with City Bag, Willis, Court, Dinky or other classics",
                    "No serial to decode, no creed era to assign",
                    "Condition: Very Good; exterior suede and patent look clean with light wear in photos 1-2, interior looks clean in photo 4, but bottom\/corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27908,
            "output_tokens": 866,
            "total_tokens": 28774,
            "estimated_cost_usd": 0.013242
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29163,
            "output_tokens": 1301,
            "total_tokens": 30464,
            "estimated_cost_usd": 0.006873
        }
    ]
}