Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.03,
    "vintage_probability": 0.05,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.49,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.61,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag appears to have a modern structured handbag construction with crocodile-embossed straps, black lining, silver-tone zipper hardware, and a decorative heart-shaped charm, with no visible Coach-specific identifier",
        "photo 1: no visible creed patch, Coach wordmark, horse-and-carriage mark, or Coach-style vintage brass hardware",
        "photo 1: the seller's title identifies the item as Brighton, which is more consistent with the visible decorative charm than with Coach, although the brand is not independently confirmed",
        "photo 1: silver-tone zip-top hardware with heart-shaped charm, not vintage Coach solid brass turnlock construction",
        "photo 1: two-tone design with brown croc-embossed top handles on black body, not classic glove-tanned tone-on-tone Coach classic",
        "photo 1: no creed patch, no COACH wordmark, no leather hangtag visible",
        "photo 1: seller labels as Brighton, a distinct mall brand known for silver heart charms and embossed trim"
    ],
    "missing_information": [
        "Straight-on exterior front and back photos",
        "Interior wall and pocket close-ups showing any brand label or creed",
        "Close-up of the decorative charm and all hardware markings",
        "Bottom, side, corner, and strap-attachment photos",
        "Seller-stated dimensions and material details",
        "photo 1 only top view with hand obscuring; request front, back, sides, bottom, interior emptied",
        "creed patch \/ interior brand label close-up not shown",
        "hangtag \/ wordmark \/ Made-in label not shown",
        "hardware stamps \/ zipper brand not shown",
        "full strap\/handle attachment and dimensions not shown"
    ],
    "authenticity_concerns": [
        "photo 1: visible features do not provide evidence of Coach manufacture and are more consistent with a non-Coach modern handbag"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a modern structured zip-top handbag rather than a recognizable vintage Coach classic; no Coach model can be supported",
        "photo 1: condition appears NWOT from the seller's description, but the photos alone show only packing tissue and do not establish condition fully",
        "photo 1: a Brighton attribution is plausible from the decorative heart-style charm, but no legible Brighton wordmark is visible",
        "photo 1 silhouette is zip-top satchel with contrasting croc handles and silver heart charm, inconsistent with any catalog classic City Bag, Willis, Court, Station, Duffle Sac; no Coach identifiers",
        "seller text states Brighton NWOT, consistent with observed Brighton-style heart hardware, not a misidentified Coach",
        "Condition appears New\/NWOT with tissue stuffing but single obscured view caps grade; lining 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": "photo 1: silver-tone zipper hardware and a decorative heart-shaped metal charm are visible; no Coach engraving is legible",
        "leather_description": "photo 1: dark material with crocodile-embossed strap surfaces; exact material cannot be determined",
        "lining_description": "photo 1: black fabric-like lining is visible, with white packing tissue inside",
        "strap_construction": "photo 1: two attached shoulder straps with crocodile-embossed surfaces and visible stitched edges",
        "stitching_description": "photo 1: stitching is visible along the strap edges and appears generally even; broader construction is not assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.05,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.63,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag appears to have a modern structured handbag construction with crocodile-embossed straps, black lining, silver-tone zipper hardware, and a decorative heart-shaped charm, with no visible Coach-specific identifier",
                    "photo 1: no visible creed patch, Coach wordmark, horse-and-carriage mark, or Coach-style vintage brass hardware",
                    "photo 1: the seller's title identifies the item as Brighton, which is more consistent with the visible decorative charm than with Coach, although the brand is not independently confirmed"
                ],
                "missing_information": [
                    "Straight-on exterior front and back photos",
                    "Interior wall and pocket close-ups showing any brand label or creed",
                    "Close-up of the decorative charm and all hardware markings",
                    "Bottom, side, corner, and strap-attachment photos",
                    "Seller-stated dimensions and material details"
                ],
                "authenticity_concerns": [
                    "photo 1: visible features do not provide evidence of Coach manufacture and are more consistent with a non-Coach modern handbag"
                ],
                "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: silver-tone zipper hardware and a decorative heart-shaped metal charm are visible; no Coach engraving is legible",
                    "leather_description": "photo 1: dark material with crocodile-embossed strap surfaces; exact material cannot be determined",
                    "lining_description": "photo 1: black fabric-like lining is visible, with white packing tissue inside",
                    "strap_construction": "photo 1: two attached shoulder straps with crocodile-embossed surfaces and visible stitched edges",
                    "stitching_description": "photo 1: stitching is visible along the strap edges and appears generally even; broader construction is not assessable"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a modern structured zip-top handbag rather than a recognizable vintage Coach classic; no Coach model can be supported",
                    "photo 1: condition appears NWOT from the seller's description, but the photos alone show only packing tissue and do not establish condition fully",
                    "photo 1: a Brighton attribution is plausible from the decorative heart-style charm, but no legible Brighton wordmark is visible"
                ],
                "confidence": 0.62,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.6,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1 only top view with hand obscuring; request front, back, sides, bottom, interior emptied",
                    "creed patch \/ interior brand label close-up not shown",
                    "hangtag \/ wordmark \/ Made-in label not shown",
                    "hardware stamps \/ zipper brand not shown",
                    "full strap\/handle attachment and dimensions not shown"
                ],
                "negative_evidence": [
                    "photo 1: silver-tone zip-top hardware with heart-shaped charm, not vintage Coach solid brass turnlock construction",
                    "photo 1: two-tone design with brown croc-embossed top handles on black body, not classic glove-tanned tone-on-tone Coach classic",
                    "photo 1: no creed patch, no COACH wordmark, no leather hangtag visible",
                    "photo 1: seller labels as Brighton, a distinct mall brand known for silver heart charms and embossed trim"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper and heart-shaped zipper charm; D-ring at side; tone inconsistent with 1970s-1990s solid brass Coach",
                    "leather_description": "black smooth body with brown croc-embossed top handles; coated\/embossed finish, not glove-tanned cowhide",
                    "lining_description": "not_visible - interior dark and filled with tissue, lining material not discernible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on brown handles, tone-matched; overall stitching detail not_visible due to top-down angle",
                    "strap_construction": "two short top handles in brown croc-embossed leather, attached at top edge; full attachment and length not_visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is zip-top satchel with contrasting croc handles and silver heart charm, inconsistent with any catalog classic City Bag, Willis, Court, Station, Duffle Sac; no Coach identifiers",
                    "seller text states Brighton NWOT, consistent with observed Brighton-style heart hardware, not a misidentified Coach",
                    "Condition appears New\/NWOT with tissue stuffing but single obscured view caps grade; lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15578,
            "output_tokens": 741,
            "total_tokens": 16319,
            "estimated_cost_usd": 0.00801
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15905,
            "output_tokens": 1194,
            "total_tokens": 17099,
            "estimated_cost_usd": 0.004136
        }
    ]
}