Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.065,
    "vintage_probability": 0.515,
    "authenticity_confidence": 0.065,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.75,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather shoulder-bag construction with warm brass-tone hardware and a vintage-looking russet color",
        "photo 4: close-up shows natural grain and wear consistent with genuine leather",
        "photo 1-3: leather shoulder bag with brass-tone hardware in cognac brown, general 1970s boho population where misidentified Coach hides",
        "photo 4: full-grain-like pebbled leather texture with natural grain",
        "photo 6: soft unstructured body with bottom seam, consistent with vintage leather bag"
    ],
    "negative_evidence": [
        "photo 1: visible closure is a large round button\/snap rather than a recognizable Coach turnlock",
        "photo 1: patchwork panel construction and prominent decorative front pocket do not closely match the documented vintage Coach classic silhouettes",
        "photo 1: no Coach wordmark, horse-and-carriage, hangtag, or other visible Coach identifier",
        "photo 3: rear exterior is plain and lacks a visible creed or brand mark",
        "photo 5: strap attachment uses large circular rings and leather tabs, not a distinctive Coach construction cue",
        "photo 1-3: front pocket closure is large round flat disc twist, not Coach thin oval-to-rounded-rectangle turnlock geometry",
        "photo 1,3,5: strap attaches via large O-rings through brass grommets in body - not Coach dogleash \/ lobster \/ buckle \/ dowel construction",
        "photo 1-2: pieced construction with vertical suede panel inserts tone-on-tone - not classic Coach smooth glove-tanned construction",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible in any photo",
        "photo 2: front slip pocket with vertical pieced dividers, no catalog Coach silhouette match"
    ],
    "missing_information": [
        "Interior wall and pocket photograph showing whether a creed patch or fabric label is present",
        "Close-up of any interior stamp, zipper pull, or maker label",
        "Full interior view, bottom, and all hardware details",
        "Seller provides no measurements, which prevents reliable model and value comparison",
        "photo of interior main compartment and interior zip pocket \/ creed patch area not shown - creed not shown",
        "straight-on photo of interior back wall \/ slip pocket where Coach creed would sit",
        "close-up of turnlock front and back plate and any hardware stamps",
        "hangtag both faces if present",
        "bottom with all four corners and side views",
        "strap full length and attachment ends"
    ],
    "authenticity_concerns": [
        "No visible Coach identifier supports Coach manufacture; this currently appears more consistent with an unbranded or other-maker leather bag",
        "The seller's 1960s\/1970s dating is not independently verifiable from the supplied views"
    ],
    "possible_model_reasoning": [
        "The silhouette is a soft patchwork shoulder bag with a front snap pocket, not a close match for the documented City Bag, Willis, Court, Station, Dinky, or Stewardess styles.",
        "No creed, serial, wordmark, or hangtag is visible, so there is no basis for assigning a Coach model or era.",
        "Condition: Good; visible creasing, surface marks, and wear at leather edges and strap areas (photos 1, 4, 5, 6); interior condition and odor are unknown.",
        "No Coach model fits: pieced leather-suede front, grommet + O-ring strap suspension, and round disc lock match no catalog style in 4.2; City Bag (9790), Court (9870), Station (5130) all have Coach turnlock + dogleash\/buckle straps and unpieced glove-tanned bodies",
        "No serial decode possible - no creed\/number visible",
        "Era cannot be assigned to Coach timeline - no identifier; construction suggests 1970s-style non-Coach boho bag",
        "Condition: Very Good to Good; leather supple with light scuffs\/marrs (photo 4), corners show light wear (photo 6), strap splice intact but fold wear unknown, interior\/lining unknown so grade capped"
    ],
    "estimated_era": "unknown",
    "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: round brass-tone front button\/snap and large circular strap rings; no Coach engraving is visible",
        "leather_description": "photos 1, 3, 4: russet\/cognac leather with contrasting suede-like or darker leather panels, visible grain, creasing, and surface marks",
        "lining_description": "not_visible - interior not shown except top edge of main compartment in photo 2",
        "strap_construction": "photos 1, 5, 6: single fixed shoulder strap attached through circular metal rings with leather tabs; strap shows creasing and edge wear",
        "stitching_description": "photos 1, 5, 6: visible machine stitching appears generally even, with contrasting panel seams; no distinctive Coach construction can be established"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0054,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.38,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather shoulder-bag construction with warm brass-tone hardware and a vintage-looking russet color",
                    "photo 4: close-up shows natural grain and wear consistent with genuine leather"
                ],
                "negative_evidence": [
                    "photo 1: visible closure is a large round button\/snap rather than a recognizable Coach turnlock",
                    "photo 1: patchwork panel construction and prominent decorative front pocket do not closely match the documented vintage Coach classic silhouettes",
                    "photo 1: no Coach wordmark, horse-and-carriage, hangtag, or other visible Coach identifier",
                    "photo 3: rear exterior is plain and lacks a visible creed or brand mark",
                    "photo 5: strap attachment uses large circular rings and leather tabs, not a distinctive Coach construction cue"
                ],
                "missing_information": [
                    "Interior wall and pocket photograph showing whether a creed patch or fabric label is present",
                    "Close-up of any interior stamp, zipper pull, or maker label",
                    "Full interior view, bottom, and all hardware details",
                    "Seller provides no measurements, which prevents reliable model and value comparison"
                ],
                "authenticity_concerns": [
                    "No visible Coach identifier supports Coach manufacture; this currently appears more consistent with an unbranded or other-maker leather bag",
                    "The seller's 1960s\/1970s dating is not independently verifiable from the supplied views"
                ],
                "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: round brass-tone front button\/snap and large circular strap rings; no Coach engraving is visible",
                    "leather_description": "photos 1, 3, 4: russet\/cognac leather with contrasting suede-like or darker leather panels, visible grain, creasing, and surface marks",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 5, 6: single fixed shoulder strap attached through circular metal rings with leather tabs; strap shows creasing and edge wear",
                    "stitching_description": "photos 1, 5, 6: visible machine stitching appears generally even, with contrasting panel seams; no distinctive Coach construction can be established"
                },
                "possible_model_reasoning": [
                    "The silhouette is a soft patchwork shoulder bag with a front snap pocket, not a close match for the documented City Bag, Willis, Court, Station, Dinky, or Stewardess styles.",
                    "No creed, serial, wordmark, or hangtag is visible, so there is no basis for assigning a Coach model or era.",
                    "Condition: Good; visible creasing, surface marks, and wear at leather edges and strap areas (photos 1, 4, 5, 6); interior condition and odor 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": 0.08,
                "coach_probability": 0.07,
                "confidence": 0.68,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior main compartment and interior zip pocket \/ creed patch area not shown - creed not shown",
                    "straight-on photo of interior back wall \/ slip pocket where Coach creed would sit",
                    "close-up of turnlock front and back plate and any hardware stamps",
                    "hangtag both faces if present",
                    "bottom with all four corners and side views",
                    "strap full length and attachment ends"
                ],
                "negative_evidence": [
                    "photo 1-3: front pocket closure is large round flat disc twist, not Coach thin oval-to-rounded-rectangle turnlock geometry",
                    "photo 1,3,5: strap attaches via large O-rings through brass grommets in body - not Coach dogleash \/ lobster \/ buckle \/ dowel construction",
                    "photo 1-2: pieced construction with vertical suede panel inserts tone-on-tone - not classic Coach smooth glove-tanned construction",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible in any photo",
                    "photo 2: front slip pocket with vertical pieced dividers, no catalog Coach silhouette match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone hardware: large eyelet grommets at top edge, large O-rings for strap, large round flat disc twist-lock on front pocket flap with small oval keeper (photo 2); tone consistent but geometry chunky \/ modern, not vintage Coach turnlock",
                    "leather_description": "cognac \/ russet pebbled leather with vertical suede panel inserts on front pocket and sides; grainy texture with patina and light scuffs (photo 4)",
                    "lining_description": "not_visible - interior not shown except top edge of main compartment in photo 2",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible dark thread, even straight stitching on front pocket and strap (photo 1,5); no mismatched thread observed",
                    "strap_construction": "single fixed narrow leather shoulder strap attached via O-rings to grommets; stitched with diagonal splice seam visible (photo 5)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-3: leather shoulder bag with brass-tone hardware in cognac brown, general 1970s boho population where misidentified Coach hides",
                    "photo 4: full-grain-like pebbled leather texture with natural grain",
                    "photo 6: soft unstructured body with bottom seam, consistent with vintage leather bag"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: pieced leather-suede front, grommet + O-ring strap suspension, and round disc lock match no catalog style in 4.2; City Bag (9790), Court (9870), Station (5130) all have Coach turnlock + dogleash\/buckle straps and unpieced glove-tanned bodies",
                    "No serial decode possible - no creed\/number visible",
                    "Era cannot be assigned to Coach timeline - no identifier; construction suggests 1970s-style non-Coach boho bag",
                    "Condition: Very Good to Good; leather supple with light scuffs\/marrs (photo 4), corners show light wear (photo 6), strap splice intact but fold wear unknown, interior\/lining unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.07,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17863,
            "output_tokens": 848,
            "total_tokens": 18711,
            "estimated_cost_usd": 0.00918
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18198,
            "output_tokens": 1625,
            "total_tokens": 19823,
            "estimated_cost_usd": 0.00494
        }
    ]
}