Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.05,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.76,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a large leather tote handbag with substantial leather construction.",
        "photo 4: leather texture and visible stitching appear consistent with a genuine leather bag, though not specifically Coach."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or recognizable Coach hardware.",
        "photos 1-6: the black-and-brown color-blocked oversized tote silhouette does not closely match the listed classic vintage Coach models.",
        "photos 1-6: no Coach creed, serial\/style number, or other brand identifier is visible.",
        "photo 1: the central black leather closure tab is not a visible vintage Coach turnlock.",
        "listing text: seller identifies the bag as unbranded and provides no Coach-specific evidence.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-6: no turnlock or solid brass hardware visible, unlike vintage Coach classics",
        "photo 1-2: XL two-tone tote with black corner guards and center flap tab does not match any Coach catalog silhouette",
        "photo 3: thin rolled black shoulder straps with no brass dogleash clips, buckles, or dowel handle",
        "photo 4-5: contrast light stitching and finished edges, not vintage Coach tone-on-tone stitching and unlined glove-tanned construction"
    ],
    "missing_information": [
        "photo 1-6: interior view, including the back wall, pockets, lining, and any leather creed patch.",
        "photo 1-6: close-up of any interior or exterior labels, stamps, zipper pulls, and hardware.",
        "photo 1-6: full back and side views and a close-up of the strap attachment points.",
        "photo 1-6: seller-stated width, depth, and strap drop; only height is partially shown by the measuring tape.",
        "photo of interior emptied including back wall and any pockets for creed patch or fabric tags",
        "photo of interior lining material",
        "close-up of any brand stamps, hangtag, or hardware engravings",
        "photo of back \/ other side and strap attachments",
        "seller-stated dimensions and materials"
    ],
    "authenticity_concerns": [
        "photos 1-6: the visible design has no Coach identifiers and is more consistent with an unbranded or other-brand leather tote than with Coach.",
        "photos 1-6: absence of an interior view prevents checking for a creed, but no visible exterior feature provides meaningful Coach support."
    ],
    "possible_model_reasoning": [
        "The bag is an oversized open-top tote with a central leather tab and contrasting corner panels; it does not correspond closely to the catalogued vintage Coach silhouettes.",
        "No readable identifier is present, so the era cannot be established by creed or serial format.",
        "Condition: Very Good based on visible intact leather and stitching, with noticeable surface creasing and rubbing\/variation in the brown leather; interior, odor, and hidden corners are unknown.",
        "No Coach identifier visible in 6 exterior-only photos, so no serial decode or era reasoning possible",
        "Silhouette - large soft XL tote with black corner protectors and wide center flap - has no match in Classic, Sheridan, Sonoma, Ergo, Soho or modern Coach catalog",
        "Construction - contrast stitching, black-on-brown two-tone, rolled straps with no brass - inconsistent with 1970s-1990s unlined glove-tanned brass-hardware Coach",
        "Condition: Very Good to Excellent exterior; photo 2: bottom clean with no corner wear shown, photo 4-5: leather clean with light creasing only, but interior, strap fold and odor unknown 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": "not_visible - no metal hardware, turnlock, buckles, or zipper pulls shown in any photo",
        "leather_description": "photos 1-6: brown and black leather-looking color-blocked construction with a glossy, distressed grain and visible surface creasing.",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photos 1, 3: two black leather shoulder handles with visible edge stitching; attachment construction is only partially shown.",
        "stitching_description": "photos 1, 4-6: generally straight, contrasting light stitching is visible along the center seam, upper edge, and leather panels."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a large leather tote handbag with substantial leather construction.",
                    "photo 4: leather texture and visible stitching appear consistent with a genuine leather bag, though not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or recognizable Coach hardware.",
                    "photos 1-6: the black-and-brown color-blocked oversized tote silhouette does not closely match the listed classic vintage Coach models.",
                    "photos 1-6: no Coach creed, serial\/style number, or other brand identifier is visible.",
                    "photo 1: the central black leather closure tab is not a visible vintage Coach turnlock.",
                    "listing text: seller identifies the bag as unbranded and provides no Coach-specific evidence."
                ],
                "missing_information": [
                    "photo 1-6: interior view, including the back wall, pockets, lining, and any leather creed patch.",
                    "photo 1-6: close-up of any interior or exterior labels, stamps, zipper pulls, and hardware.",
                    "photo 1-6: full back and side views and a close-up of the strap attachment points.",
                    "photo 1-6: seller-stated width, depth, and strap drop; only height is partially shown by the measuring tape."
                ],
                "authenticity_concerns": [
                    "photos 1-6: the visible design has no Coach identifiers and is more consistent with an unbranded or other-brand leather tote than with Coach.",
                    "photos 1-6: absence of an interior view prevents checking for a creed, but no visible exterior feature provides meaningful Coach support."
                ],
                "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": "not_visible",
                    "leather_description": "photos 1-6: brown and black leather-looking color-blocked construction with a glossy, distressed grain and visible surface creasing.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 3: two black leather shoulder handles with visible edge stitching; attachment construction is only partially shown.",
                    "stitching_description": "photos 1, 4-6: generally straight, contrasting light stitching is visible along the center seam, upper edge, and leather panels."
                },
                "possible_model_reasoning": [
                    "The bag is an oversized open-top tote with a central leather tab and contrasting corner panels; it does not correspond closely to the catalogued vintage Coach silhouettes.",
                    "No readable identifier is present, so the era cannot be established by creed or serial format.",
                    "Condition: Very Good based on visible intact leather and stitching, with noticeable surface creasing and rubbing\/variation in the brown leather; interior, odor, and hidden corners are unknown."
                ],
                "confidence": 0.82,
                "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": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied including back wall and any pockets for creed patch or fabric tags",
                    "photo of interior lining material",
                    "close-up of any brand stamps, hangtag, or hardware engravings",
                    "photo of back \/ other side and strap attachments",
                    "seller-stated dimensions and materials"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-6: no turnlock or solid brass hardware visible, unlike vintage Coach classics",
                    "photo 1-2: XL two-tone tote with black corner guards and center flap tab does not match any Coach catalog silhouette",
                    "photo 3: thin rolled black shoulder straps with no brass dogleash clips, buckles, or dowel handle",
                    "photo 4-5: contrast light stitching and finished edges, not vintage Coach tone-on-tone stitching and unlined glove-tanned construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware, turnlock, buckles, or zipper pulls shown in any photo",
                    "leather_description": "photo 1-6: two-tone smooth full-grain-look leather, cognac brown body with black corner guards, base trim, center flap tab and straps; soft slouchy finish with grain and patina-like variation",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 4-6: straight contrast off-white double-needle center seam and top edge stitching; dark edge stitching on black flap tab",
                    "strap_construction": "photo 3: two fixed black rolled shoulder straps, sewn directly into top edge, no adjustment, no visible brass hardware",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in 6 exterior-only photos, so no serial decode or era reasoning possible",
                    "Silhouette - large soft XL tote with black corner protectors and wide center flap - has no match in Classic, Sheridan, Sonoma, Ergo, Soho or modern Coach catalog",
                    "Construction - contrast stitching, black-on-brown two-tone, rolled straps with no brass - inconsistent with 1970s-1990s unlined glove-tanned brass-hardware Coach",
                    "Condition: Very Good to Excellent exterior; photo 2: bottom clean with no corner wear shown, photo 4-5: leather clean with light creasing only, but interior, strap fold and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28141,
            "output_tokens": 873,
            "total_tokens": 29014,
            "estimated_cost_usd": 0.013352
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29322,
            "output_tokens": 1201,
            "total_tokens": 30523,
            "estimated_cost_usd": 0.006825
        }
    ]
}