Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.855,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: modern structured tote silhouette with a central decorative textile panel and scarf-wrapped handles, not a recognizable vintage Coach construction.",
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
        "photo 1: smooth uniform black material and decorative synthetic-looking textile panel are inconsistent with classic unlined glove-tanned Coach leather.",
        "photo 1: bright decorative hardware and pearl-like hanging ornaments do not match typical vintage Coach hardware.",
        "photo 1: listing uses a stock-style product image and seller identifies the bag as unbranded.",
        "photo 1: smooth high-sheen black material with uniform grain reads as synthetic \/ PU, not glove-tanned cowhide",
        "photo 1: modern tote silhouette with center embossed decorative panel and scarf-wrapped top handles with pearl charms - no Coach catalog silhouette match",
        "photo 1: bright gold-tone plated buckle and charms, not solid vintage brass",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: interior, lining, bottom, side construction, hardware close-ups, and any labels or tags are not shown.",
        "Request a straight-on interior photo showing any leather creed patch, fabric tag, or brand label.",
        "Request close-ups of zipper pulls, strap attachments, and all hardware.",
        "photo 1: interior not shown - no creed patch, lining, or fabric tag visible",
        "photo 1: back, side, bottom views not shown",
        "photo 1: hardware close-ups and zipper brand not shown",
        "photo 1: hangtag \/ wordmark close-up not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the decorative textile motif is not a Coach Signature C pattern and provides no Coach evidence.",
        "photo 1: apparent fashion-bag construction and styling are more consistent with a generic modern unbranded bag than a Coach product."
    ],
    "possible_model_reasoning": [
        "photo 1: no Coach model can be matched because there is no Coach identifier and the ornamented tote design does not correspond clearly to the listed vintage Coach catalog styles.",
        "Condition cannot be reliably graded from the stock-style front image; bottom, interior, and actual wear are not shown.",
        "photo 1 shows modern mass-market tote with scarf-wrapped handles and embossed panel, inconsistent with any vintage Coach classic in leather, hardware, and construction",
        "no Coach hard identifiers visible (no creed, serial, wordmark, hangtag, turnlock, solid brass) so no Coach model can be ranked",
        "Condition: New-appearing in studio-style front view only; grade capped by missing bottom\/interior\/strap views"
    ],
    "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: gold-tone strap rings and small pearl-like dangling ornaments are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: smooth, uniform black material with a polished synthetic or coated appearance; natural leather type cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two wrapped top handles with decorative printed fabric and a detachable-looking black shoulder strap.",
        "stitching_description": "photo 1: visible perimeter and panel stitching appears machine-sewn and generally even; fine construction details are not resolvable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0037,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: modern structured tote silhouette with a central decorative textile panel and scarf-wrapped handles, not a recognizable vintage Coach construction.",
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
                    "photo 1: smooth uniform black material and decorative synthetic-looking textile panel are inconsistent with classic unlined glove-tanned Coach leather.",
                    "photo 1: bright decorative hardware and pearl-like hanging ornaments do not match typical vintage Coach hardware.",
                    "photo 1: listing uses a stock-style product image and seller identifies the bag as unbranded."
                ],
                "missing_information": [
                    "photo 1: interior, lining, bottom, side construction, hardware close-ups, and any labels or tags are not shown.",
                    "Request a straight-on interior photo showing any leather creed patch, fabric tag, or brand label.",
                    "Request close-ups of zipper pulls, strap attachments, and all hardware."
                ],
                "authenticity_concerns": [
                    "photo 1: the decorative textile motif is not a Coach Signature C pattern and provides no Coach evidence.",
                    "photo 1: apparent fashion-bag construction and styling are more consistent with a generic modern unbranded bag than a Coach product."
                ],
                "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: gold-tone strap rings and small pearl-like dangling ornaments are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: smooth, uniform black material with a polished synthetic or coated appearance; natural leather type cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two wrapped top handles with decorative printed fabric and a detachable-looking black shoulder strap.",
                    "stitching_description": "photo 1: visible perimeter and panel stitching appears machine-sewn and generally even; fine construction details are not resolvable."
                },
                "possible_model_reasoning": [
                    "photo 1: no Coach model can be matched because there is no Coach identifier and the ornamented tote design does not correspond clearly to the listed vintage Coach catalog styles.",
                    "Condition cannot be reliably graded from the stock-style front image; bottom, interior, and actual wear are not shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: interior not shown - no creed patch, lining, or fabric tag visible",
                    "photo 1: back, side, bottom views not shown",
                    "photo 1: hardware close-ups and zipper brand not shown",
                    "photo 1: hangtag \/ wordmark close-up not shown"
                ],
                "negative_evidence": [
                    "photo 1: smooth high-sheen black material with uniform grain reads as synthetic \/ PU, not glove-tanned cowhide",
                    "photo 1: modern tote silhouette with center embossed decorative panel and scarf-wrapped top handles with pearl charms - no Coach catalog silhouette match",
                    "photo 1: bright gold-tone plated buckle and charms, not solid vintage brass",
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone buckle on detachable shoulder strap and pearl-drop charms at handle bases; bright plated appearance, not solid vintage brass; turnlock not present",
                    "leather_description": "smooth black material with even sheen and embossed scroll pattern on center panel; appears synthetic \/ PU, not glove-tanned full-grain leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching along center panel visible in photo 1; no detail on stress points",
                    "strap_construction": "short top handles wrapped with printed scarf; detachable adjustable shoulder strap with buckle visible in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 shows modern mass-market tote with scarf-wrapped handles and embossed panel, inconsistent with any vintage Coach classic in leather, hardware, and construction",
                    "no Coach hard identifiers visible (no creed, serial, wordmark, hangtag, turnlock, solid brass) so no Coach model can be ranked",
                    "Condition: New-appearing in studio-style front view only; grade capped by missing bottom\/interior\/strap views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16591,
            "output_tokens": 690,
            "total_tokens": 17281,
            "estimated_cost_usd": 0.008292
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16941,
            "output_tokens": 1010,
            "total_tokens": 17951,
            "estimated_cost_usd": 0.004196
        }
    ]
}