Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.045,
    "vintage_probability": 0.66,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.765,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: leather shoulder bag with an older-looking structured frame and gold-tone hardware, a general category in which vintage Coach bags can occur",
        "photo 4: the bag appears to use leather rather than obviously faux or fabric material",
        "photo 2,3,6: leather-like handbag with vintage wear consistent with age stated by seller"
    ],
    "negative_evidence": [
        "photo 1: ornate elongated gold-tone side hardware and a frame construction do not match the typical Coach classic turnlock silhouettes shown in the reference catalog",
        "photo 2: no visible Coach wordmark, horse-and-carriage, or recognizable Coach closure",
        "photo 4: interior is fabric-lined in tan, whereas many classic vintage Coach glove-tanned styles are unlined suede-backed leather",
        "photo 5: the small clear pouch has a circular emblem, but it is not a legible Coach wordmark and appears inconsistent with standard Coach identification cues",
        "photos 1-6: no Coach creed patch or serial\/style number is visible",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible on bag, hardware or lining",
        "photo 2,4: kisslock \/ scissor-frame top with gathered body and thin shoulder strap - does not match any catalog Coach classic silhouette (City Bag, Willis, Court, Station, Dinky etc.)",
        "photo 4: fully lined interior in tan synthetic-looking material, not unlined suede-back glove-tanned cowhide expected for vintage Coach classics",
        "photo 5: clear vinyl snap coin purse on gold chain inside - not a Coach construction cue",
        "photo 3,6: pebbled coated-looking exterior with base feet and gold-tone frame hardware, no solid-brass turnlock geometry"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket for a possible creed patch or brand label",
        "Close-up of the circular emblem on the clear pouch",
        "Close-ups of the clasp, side hardware, zipper or any engraved markings",
        "Seller-stated dimensions, material composition, and country-of-origin markings",
        "Full view of the strap attachment and stitching",
        "photo of any interior leather creed patch or brand stamp in raking light - none visible in photos 1-6",
        "photo of hardware engravings on frame clasp and feet",
        "close-up of lining material and any fabric label"
    ],
    "authenticity_concerns": [
        "photos 1-6: no Coach identifier is visible, so the bag presently reads as a generic or other-brand vintage leather frame bag rather than an identifiable Coach model",
        "photo 5: the circular emblem on the attached clear pouch is not a recognizable Coach marking; its actual brand cannot be determined from the image"
    ],
    "possible_model_reasoning": [
        "The silhouette is a structured frame shoulder clutch with gathered sides, not a close match for the listed Coach City Bag, Willis, Court, Station, Dinky, or Stewardess silhouettes.",
        "The visible tan lining and ornate frame hardware suggest another vintage handbag maker or a generic frame bag; no Coach era can be established.",
        "Condition: Good; visible white scuffs and a small interior mark\/stain (photos 3-4), while the bag remains structurally intact. The seller reports a vintage smell, which cannot be independently verified from photos.",
        "No Coach model fits: frame kisslock clutch\/shoulder bag with lining and vinyl accessory is inconsistent with 1970s-1990s unlined glove-tanned turnlock classics; Cashin-era kisslock bags had striped linings, fabric labels and different hardware, none seen",
        "No serial decode possible - no number visible",
        "Era reasoning: generic vintage-style frame bag, likely 1960s-1980s department-store or modern reproduction; rated non-Coach so era label is modern (2000s+), non-Coach",
        "Condition: Good to Very Good; light scuffs and white marks on bottom corners and sides (photo 3,6), light interior spotting (photo 4), strap appears intact but fold wear unknown"
    ],
    "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": "Visible gold-tone frame hardware, side fittings, small clasp, and four round base feet; no legible Coach engraving visible.",
        "leather_description": "Dark chocolate-brown textured leather-like exterior with gathered sides; surface appears glossy\/satin, with small white scuffs visible on the bottom\/side area.",
        "lining_description": "Tan fabric or synthetic lining is clearly visible, with gathered construction and a small interior mark\/stain; no creed patch is visible in the shown interior.",
        "strap_construction": "Thin matching brown shoulder strap attached at the upper frame by gold-tone fittings; also a small gold chain attached to the clear pouch.",
        "stitching_description": "Visible exterior seams appear generally even and machine-stitched; no distinctive Coach construction detail can be confirmed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0063,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.06,
                "vintage_probability": 0.82,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: leather shoulder bag with an older-looking structured frame and gold-tone hardware, a general category in which vintage Coach bags can occur",
                    "photo 4: the bag appears to use leather rather than obviously faux or fabric material"
                ],
                "negative_evidence": [
                    "photo 1: ornate elongated gold-tone side hardware and a frame construction do not match the typical Coach classic turnlock silhouettes shown in the reference catalog",
                    "photo 2: no visible Coach wordmark, horse-and-carriage, or recognizable Coach closure",
                    "photo 4: interior is fabric-lined in tan, whereas many classic vintage Coach glove-tanned styles are unlined suede-backed leather",
                    "photo 5: the small clear pouch has a circular emblem, but it is not a legible Coach wordmark and appears inconsistent with standard Coach identification cues",
                    "photos 1-6: no Coach creed patch or serial\/style number is visible"
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket for a possible creed patch or brand label",
                    "Close-up of the circular emblem on the clear pouch",
                    "Close-ups of the clasp, side hardware, zipper or any engraved markings",
                    "Seller-stated dimensions, material composition, and country-of-origin markings",
                    "Full view of the strap attachment and stitching"
                ],
                "authenticity_concerns": [
                    "photos 1-6: no Coach identifier is visible, so the bag presently reads as a generic or other-brand vintage leather frame bag rather than an identifiable Coach model",
                    "photo 5: the circular emblem on the attached clear pouch is not a recognizable Coach marking; its actual brand cannot be determined from the image"
                ],
                "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": "Visible gold-tone frame hardware, side fittings, small clasp, and four round base feet; no legible Coach engraving visible.",
                    "leather_description": "Dark chocolate-brown textured leather-like exterior with gathered sides; surface appears glossy\/satin, with small white scuffs visible on the bottom\/side area.",
                    "lining_description": "Tan fabric or synthetic lining is clearly visible, with gathered construction and a small interior mark\/stain; no creed patch is visible in the shown interior.",
                    "strap_construction": "Thin matching brown shoulder strap attached at the upper frame by gold-tone fittings; also a small gold chain attached to the clear pouch.",
                    "stitching_description": "Visible exterior seams appear generally even and machine-stitched; no distinctive Coach construction detail can be confirmed."
                },
                "possible_model_reasoning": [
                    "The silhouette is a structured frame shoulder clutch with gathered sides, not a close match for the listed Coach City Bag, Willis, Court, Station, Dinky, or Stewardess silhouettes.",
                    "The visible tan lining and ornate frame hardware suggest another vintage handbag maker or a generic frame bag; no Coach era can be established.",
                    "Condition: Good; visible white scuffs and a small interior mark\/stain (photos 3-4), while the bag remains structurally intact. The seller reports a vintage smell, which cannot be independently verified from photos."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of any interior leather creed patch or brand stamp in raking light - none visible in photos 1-6",
                    "photo of hardware engravings on frame clasp and feet",
                    "close-up of lining material and any fabric label"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage visible on bag, hardware or lining",
                    "photo 2,4: kisslock \/ scissor-frame top with gathered body and thin shoulder strap - does not match any catalog Coach classic silhouette (City Bag, Willis, Court, Station, Dinky etc.)",
                    "photo 4: fully lined interior in tan synthetic-looking material, not unlined suede-back glove-tanned cowhide expected for vintage Coach classics",
                    "photo 5: clear vinyl snap coin purse on gold chain inside - not a Coach construction cue",
                    "photo 3,6: pebbled coated-looking exterior with base feet and gold-tone frame hardware, no solid-brass turnlock geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame with rectangular clasp, side frame arms, four dome base feet; thin and bright plating, not solid brass turnlock",
                    "leather_description": "dark chocolate brown pebbled grain material, sheen suggests coated or faux leather, not matte glove-tanned cowhide",
                    "lining_description": "tan \/ beige smooth synthetic lining visible in photo 4, gathered at frame; no suede, no creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching around base visible in photo 3,6; no detailed stitch view",
                    "strap_construction": "single thin flat shoulder strap attached to frame ends with small gold hardware, not buckle-adjustable or dogleash-clip Coach strap",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 2,3,6: leather-like handbag with vintage wear consistent with age stated by seller"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: frame kisslock clutch\/shoulder bag with lining and vinyl accessory is inconsistent with 1970s-1990s unlined glove-tanned turnlock classics; Cashin-era kisslock bags had striped linings, fabric labels and different hardware, none seen",
                    "No serial decode possible - no number visible",
                    "Era reasoning: generic vintage-style frame bag, likely 1960s-1980s department-store or modern reproduction; rated non-Coach so era label is modern (2000s+), non-Coach",
                    "Condition: Good to Very Good; light scuffs and white marks on bottom corners and sides (photo 3,6), light interior spotting (photo 4), strap appears intact but fold wear unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17738,
            "output_tokens": 842,
            "total_tokens": 18580,
            "estimated_cost_usd": 0.009116
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18073,
            "output_tokens": 1361,
            "total_tokens": 19434,
            "estimated_cost_usd": 0.004703
        }
    ]
}