Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.055,
    "vintage_probability": 0.095,
    "authenticity_confidence": 0.055,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.735,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-look crossbody handbag with a flap, long strap, and gold-tone closure hardware.",
        "photo 3: the bag has a compact flap-crossbody silhouette that is broadly compatible with many handbag brands.",
        "photo 1, photo 2: leather small flap crossbody handbag, the population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photos 1-7: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
        "photos 1, 4 and 5: hardware appears lightweight and bright gold-tone rather than the substantial, era-consistent brass commonly seen on vintage Coach classics.",
        "photos 1, 2 and 7: thin, narrow strap and generic rectangular buckle\/closure construction do not strongly match a catalogued vintage Coach model.",
        "photo 3: visible zipper and interior construction are generic; no Coach-specific identifier is shown.",
        "seller listing: seller states Made in China and brand unknown; this is weak context only and cannot establish Coach manufacture.",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or creed visible on exterior",
        "photo 3, photo 4: closure appears to be round snap\/magnetic button, not Coach classic turnlock geometry",
        "photo 1-6: no leather hangtag, no bead chain, no dogleash clips visible",
        "photo 4, photo 6: bright gold-tone plated rectangular slide\/buckle and thin strap, not solid brass vintage Coach hardware",
        "photo 3, photo 4, photo 5: silhouette - small flap crossbody with sewn-in thin strap and side buckle detail - does not match catalog City Bag, Willis, Court, Station, Dinky turnlock layouts",
        "photo 5, photo 6: smooth white coated-looking leather with sheen, not matte glove-tanned full-grain with suede back"
    ],
    "missing_information": [
        "photo 1-7: interior is not shown, including the back wall, slip pocket, lining, and any creed patch.",
        "photo 1-7: no straight-on close-up of the closure hardware or any zipper-pull stamp.",
        "photo 1-7: no dedicated photo of the entire back, bottom, and interior emptied.",
        "photo 1-7: seller-stated dimensions are not provided.",
        "interior views emptied showing lining and any creed patch or labels - not shown in any photo",
        "creed close-up in raking light - not shown",
        "hangtag both faces if present - not shown",
        "hardware stamps including zipper pull brand - not shown",
        "seller-stated dimensions and weight for scale"
    ],
    "authenticity_concerns": [
        "photos 1-7: absence of all visible Coach identifiers combined with generic construction makes this more consistent with an unbranded or lookalike bag than Coach.",
        "photos 1, 4 and 5: bright\/lightweight-looking gold-tone hardware and thin strap are concerns for a claimed vintage Coach interpretation.",
        "seller listing: Made in China would be inconsistent with a 1970s-1980s-styled classic Coach bag, though the bag's exact era is not established."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible silhouette is generic and coach_probability is below 0.10.",
        "Condition: Good; visible creasing, surface discoloration, strap wear, and edge wear are present in photos 1, 5, 6 and 7; interior condition is unknown.",
        "No Coach model fits: no turnlock, no creed, no hangtag, snap closure and thin sewn strap with plated slide inconsistent with 1980s-1990s classics (City Bag 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375 all use solid brass turnlock and detachable\/buckle straps)",
        "Era reasoning: construction, coated white leather, plated hardware and seller title Made In China suggest modern non-Coach; no vintage Coach identifiers to support pre-2000",
        "Condition: Good to Very Good; white leather generally clean with light strap darkening\/soiling (photo 6) and small mark on front bottom (photo 1, photo 2); bottom intact (photo 3); interior 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": "photo 1 and photo 4: bright gold-tone rectangular side hardware and a central circular\/turning closure are visible; no brand engraving is legible.",
        "leather_description": "photos 1, 3, 5 and 7: white smooth leather or leather-like material with visible creasing, edge wear, and surface soiling; exact material cannot be confirmed from photos.",
        "lining_description": "not_visible - interior not emptied; glimpse of white interior with zip compartments in photo 4, photo 6 but lining material not determinable",
        "strap_construction": "photos 1, 4, 6 and 7: narrow white adjustable-looking strap with edge stitching; visible darkening and wear, with no Coach-specific attachment detail.",
        "stitching_description": "photos 1, 5 and 7: visible machine stitching is generally straight but somewhat utilitarian; no distinctive Coach construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0043,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.07,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.06,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.07,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather-look crossbody handbag with a flap, long strap, and gold-tone closure hardware.",
                    "photo 3: the bag has a compact flap-crossbody silhouette that is broadly compatible with many handbag brands."
                ],
                "negative_evidence": [
                    "photos 1-7: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
                    "photos 1, 4 and 5: hardware appears lightweight and bright gold-tone rather than the substantial, era-consistent brass commonly seen on vintage Coach classics.",
                    "photos 1, 2 and 7: thin, narrow strap and generic rectangular buckle\/closure construction do not strongly match a catalogued vintage Coach model.",
                    "photo 3: visible zipper and interior construction are generic; no Coach-specific identifier is shown.",
                    "seller listing: seller states Made in China and brand unknown; this is weak context only and cannot establish Coach manufacture."
                ],
                "missing_information": [
                    "photo 1-7: interior is not shown, including the back wall, slip pocket, lining, and any creed patch.",
                    "photo 1-7: no straight-on close-up of the closure hardware or any zipper-pull stamp.",
                    "photo 1-7: no dedicated photo of the entire back, bottom, and interior emptied.",
                    "photo 1-7: seller-stated dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-7: absence of all visible Coach identifiers combined with generic construction makes this more consistent with an unbranded or lookalike bag than Coach.",
                    "photos 1, 4 and 5: bright\/lightweight-looking gold-tone hardware and thin strap are concerns for a claimed vintage Coach interpretation.",
                    "seller listing: Made in China would be inconsistent with a 1970s-1980s-styled classic Coach bag, though the bag's exact era is not established."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1 and photo 4: bright gold-tone rectangular side hardware and a central circular\/turning closure are visible; no brand engraving is legible.",
                    "leather_description": "photos 1, 3, 5 and 7: white smooth leather or leather-like material with visible creasing, edge wear, and surface soiling; exact material cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 4, 6 and 7: narrow white adjustable-looking strap with edge stitching; visible darkening and wear, with no Coach-specific attachment detail.",
                    "stitching_description": "photos 1, 5 and 7: visible machine stitching is generally straight but somewhat utilitarian; no distinctive Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the visible silhouette is generic and coach_probability is below 0.10.",
                    "Condition: Good; visible creasing, surface discoloration, strap wear, and edge wear are present in photos 1, 5, 6 and 7; interior condition is unknown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.04,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "interior views emptied showing lining and any creed patch or labels - not shown in any photo",
                    "creed close-up in raking light - not shown",
                    "hangtag both faces if present - not shown",
                    "hardware stamps including zipper pull brand - not shown",
                    "seller-stated dimensions and weight for scale"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or creed visible on exterior",
                    "photo 3, photo 4: closure appears to be round snap\/magnetic button, not Coach classic turnlock geometry",
                    "photo 1-6: no leather hangtag, no bead chain, no dogleash clips visible",
                    "photo 4, photo 6: bright gold-tone plated rectangular slide\/buckle and thin strap, not solid brass vintage Coach hardware",
                    "photo 3, photo 4, photo 5: silhouette - small flap crossbody with sewn-in thin strap and side buckle detail - does not match catalog City Bag, Willis, Court, Station, Dinky turnlock layouts",
                    "photo 5, photo 6: smooth white coated-looking leather with sheen, not matte glove-tanned full-grain with suede back"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone round snap\/button under flap (photo 3) and small rectangular buckle\/slide at side strap (photo 1, photo 2, photo 4); bright plated appearance, no COACH engraving visible",
                    "leather_description": "white smooth leather with light sheen and soft wrinkles (photo 1-5); not visibly glove-tanned full-grain; surface soiling\/wear minimal",
                    "lining_description": "not_visible - interior not emptied; glimpse of white interior with zip compartments in photo 4, photo 6 but lining material not determinable",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white\/cream straight stitching around flap and body edges (photo 1, photo 2); strap edge stitching visible (photo 6)",
                    "strap_construction": "thin white adjustable crossbody strap, sewn\/looped at sides with buckle slide on right side (photo 1, photo 4); no brass dogleash\/lobster clips, no wooden dowel",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: leather small flap crossbody handbag, the population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no turnlock, no creed, no hangtag, snap closure and thin sewn strap with plated slide inconsistent with 1980s-1990s classics (City Bag 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375 all use solid brass turnlock and detachable\/buckle straps)",
                    "Era reasoning: construction, coated white leather, plated hardware and seller title Made In China suggest modern non-Coach; no vintage Coach identifiers to support pre-2000",
                    "Condition: Good to Very Good; white leather generally clean with light strap darkening\/soiling (photo 6) and small mark on front bottom (photo 1, photo 2); bottom intact (photo 3); interior and odor unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28778,
            "output_tokens": 912,
            "total_tokens": 29690,
            "estimated_cost_usd": 0.0137
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30091,
            "output_tokens": 1448,
            "total_tokens": 31539,
            "estimated_cost_usd": 0.007177
        }
    ]
}