Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.82,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder handbag with substantial metal hardware.",
        "photo 1: tan-brown leather and gold-tone rings are visible."
    ],
    "negative_evidence": [
        "photo 1: the prominent circular ring-and-strap closure is not a recognizable vintage Coach turnlock.",
        "photo 1: extensive black contrast leather straps and oversized ring hardware give the bag a boho\/lookalike construction rather than a classic Coach silhouette.",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photos 1-7: the bag has no apparent Coach-style catalog silhouette or identifying construction feature.",
        "photo 6: visible rear zipper hardware and construction appear modern and generic; no zipper brand or Coach marking is visible.",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 1-3: no turnlock present; closure is open top with front flap and large O-ring decoration, not Coach turnlock geometry",
        "photo 1,2,4,5,6: large bright gold-tone O-rings and rivet construction with two-tone tan\/black leather, not seen in vintage Coach classic catalog styles",
        "photo 5: back exterior zip pocket with small leather pull tab, not typical Coach classic layout",
        "photo 4,6: side strap system with stacked O-rings and riveted black leather tabs, inconsistent with Coach Station\/Court\/Willis\/City Bag construction"
    ],
    "missing_information": [
        "photo 1-7: interior is not shown; request clear photos of every interior wall, pocket, and seam tag.",
        "photo 1-7: request close-ups of all hardware, zipper pull, and any interior or exterior brand stamps.",
        "photo 1-7: request bottom, corner, and strap-anchor photos plus seller-stated dimensions.",
        "photo 1-7: no hangtag or creed close-up is provided.",
        "photo of interior lining and interior pockets to check for creed patch or fabric brand label",
        "straight-on creed \/ stamp close-up in raking light if any patch exists",
        "bottom view showing corners and base construction",
        "close-up of hardware stamps on rings, rivets and zipper pull",
        "both faces of any hangtag if present"
    ],
    "authenticity_concerns": [
        "photos 1-7: the large decorative ring closure and multiple black strap bands are inconsistent with the documented vintage Coach turnlock and classic construction.",
        "photos 1-7: absence of any Coach identifier substantially favors a generic unbranded leather bag rather than Coach."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the bag's oversized ring-and-strap design does not correspond to the listed classic Coach silhouettes.",
        "Condition: approximately Very Good based on visible creasing and wear but no obvious tears or broken hardware; interior condition and odor are unknown.",
        "No Coach catalog silhouette matches: front flap with O-ring, side O-ring strap ladder and two-tone boho construction does not correspond to Willis (9927), Court (9870), Station (5130), City Bag (9790) or other classics",
        "No hard identifiers observed in 6 exterior views to decode era or style",
        "Condition: Very Good to Excellent exterior; leather supple with light wear, hardware bright, no corner wear visible but bottom and interior not shown 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": "Gold-tone circular rings, snap studs, buckles, and a rear zipper are visible; no Coach engraving is legible.",
        "leather_description": "Tan-brown leather with visible grain, creasing, and surface wear; black contrasting leather straps and trim are visible.",
        "lining_description": "not_visible",
        "strap_construction": "Wide black leather shoulder straps with multiple attached rings, snap tabs, and adjustment hardware; visible in photos 2-7.",
        "stitching_description": "Generally visible double-row and edge stitching appears even, but close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder handbag with substantial metal hardware.",
                    "photo 1: tan-brown leather and gold-tone rings are visible."
                ],
                "negative_evidence": [
                    "photo 1: the prominent circular ring-and-strap closure is not a recognizable vintage Coach turnlock.",
                    "photo 1: extensive black contrast leather straps and oversized ring hardware give the bag a boho\/lookalike construction rather than a classic Coach silhouette.",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photos 1-7: the bag has no apparent Coach-style catalog silhouette or identifying construction feature.",
                    "photo 6: visible rear zipper hardware and construction appear modern and generic; no zipper brand or Coach marking is visible."
                ],
                "missing_information": [
                    "photo 1-7: interior is not shown; request clear photos of every interior wall, pocket, and seam tag.",
                    "photo 1-7: request close-ups of all hardware, zipper pull, and any interior or exterior brand stamps.",
                    "photo 1-7: request bottom, corner, and strap-anchor photos plus seller-stated dimensions.",
                    "photo 1-7: no hangtag or creed close-up is provided."
                ],
                "authenticity_concerns": [
                    "photos 1-7: the large decorative ring closure and multiple black strap bands are inconsistent with the documented vintage Coach turnlock and classic construction.",
                    "photos 1-7: absence of any Coach identifier substantially favors a generic unbranded leather bag rather than Coach."
                ],
                "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": "Gold-tone circular rings, snap studs, buckles, and a rear zipper are visible; no Coach engraving is legible.",
                    "leather_description": "Tan-brown leather with visible grain, creasing, and surface wear; black contrasting leather straps and trim are visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "Wide black leather shoulder straps with multiple attached rings, snap tabs, and adjustment hardware; visible in photos 2-7.",
                    "stitching_description": "Generally visible double-row and edge stitching appears even, but close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the bag's oversized ring-and-strap design does not correspond to the listed classic Coach silhouettes.",
                    "Condition: approximately Very Good based on visible creasing and wear but no obvious tears or broken hardware; interior condition and odor are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and interior pockets to check for creed patch or fabric brand label",
                    "straight-on creed \/ stamp close-up in raking light if any patch exists",
                    "bottom view showing corners and base construction",
                    "close-up of hardware stamps on rings, rivets and zipper pull",
                    "both faces of any hangtag if present"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 1-3: no turnlock present; closure is open top with front flap and large O-ring decoration, not Coach turnlock geometry",
                    "photo 1,2,4,5,6: large bright gold-tone O-rings and rivet construction with two-tone tan\/black leather, not seen in vintage Coach classic catalog styles",
                    "photo 5: back exterior zip pocket with small leather pull tab, not typical Coach classic layout",
                    "photo 4,6: side strap system with stacked O-rings and riveted black leather tabs, inconsistent with Coach Station\/Court\/Willis\/City Bag construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "large bright gold-tone O-rings at front flap, sides and strap attachments, round rivets\/studs, rectangular buckle on strap; shiny plated appearance, not solid brass vintage turnlock hardware",
                    "leather_description": "tan\/camel smooth leather body with black contrast leather strap and trim, soft slouchy grain with some sheen, not glove-tanned suede-back classic leather visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched topstitching around flap and top edge, even but modern machine stitching",
                    "strap_construction": "wide black flat shoulder strap with buckle adjustment and snap-tab ends attached through large gold O-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: front flap with O-ring, side O-ring strap ladder and two-tone boho construction does not correspond to Willis (9927), Court (9870), Station (5130), City Bag (9790) or other classics",
                    "No hard identifiers observed in 6 exterior views to decode era or style",
                    "Condition: Very Good to Excellent exterior; leather supple with light wear, hardware bright, no corner wear visible but bottom and interior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33098,
            "output_tokens": 688,
            "total_tokens": 33786,
            "estimated_cost_usd": 0.01489
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35569,
            "output_tokens": 1555,
            "total_tokens": 37124,
            "estimated_cost_usd": 0.008358
        }
    ]
}