Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.215,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.89,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a shoulder strap, spacious body, and zip-top opening.",
        "photo 5: The exterior has a sewn leather-like logo patch, but the visible emblem reads as Medallion rather than Coach.",
        "photo 6: The interior has a textile lining and an interior zip pocket, consistent with a mass-market hobo bag.",
        "photo 1, photo 2: leather handbag form that warrants triage, but no Coach hard identifiers"
    ],
    "negative_evidence": [
        "photo 5: Visible embossed emblem includes the word MEDALLION and does not show COACH, a Coach horse-and-carriage, or a Coach creed.",
        "photo 6: Interior logo patch also shows the Medallion emblem rather than a Coach identifier.",
        "photos 1-4: Slouchy construction, contrast stitching, textile lining, and decorative silver-tone charm do not match a recognizable vintage Coach classic model.",
        "photos 1-6: No Coach creed patch, serial\/style number, Coach hangtag, or Coach wordmark is visible.",
        "photo 5: exterior leather patch embossed MEDALLION with M monogram and crest - positively identifies maker as Medallion, not Coach",
        "photo 6: interior leather patch same MEDALLION branding, not a Coach creed patch with No. line",
        "photo 1, photo 2: slouchy zip-top hobo silhouette with contrast white stitching - not a catalog vintage Coach classic silhouette",
        "photo 3, photo 4: silver-tone zipper and Brighton-style heart charm, contrast stitching - inconsistent with 1970s-1990s solid brass, tone-on-tone Coach classics",
        "photo 6: dark fabric lining visible around zip pocket - vintage Coach classics are unlined suede-back glove-tanned",
        "no COACH wordmark, horse-and-carriage, creed, turnlock, or leather hangtag visible in any photo"
    ],
    "missing_information": [
        "A clear photograph of every interior wall and pocket seam, in case another brand tag is present.",
        "Close-ups of the zipper pull, strap hardware, and any additional interior or exterior labels.",
        "Bottom and corner photographs for a more complete condition assessment.",
        "No Coach creed patch visible - interior back wall \/ slip pocket not fully shown (photo 6 shows only zip pocket area)",
        "No bottom \/ corner close-ups to fully grade wear",
        "No hardware brand stamps shown",
        "No full interior view emptied"
    ],
    "authenticity_concerns": [
        "photo 5: The visible branding identifies the bag as Medallion, not Coach; it should not be treated as a Coach bag.",
        "photos 5-6: The sewn emblem patches are inconsistent with Coach branding and provide no basis for Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is supported because the visible logo is Medallion and no Coach identifier appears.",
        "The slouchy shoulder-bag silhouette is a generic late-1990s\/Y2K hobo form, not sufficient to match a Coach catalog style.",
        "Condition: approximately Very Good based on the visible intact exterior and stitching; interior and bottom wear are incompletely documented.",
        "No Coach model fits: Medallion branding on both exterior and interior patches positively identifies non-Coach maker; silhouette, contrast stitching, fabric lining and silver hardware are inconsistent with vintage Coach classics",
        "Era reasoning: seller-described Y2K \/ 90s style slouchy hobo with fabric lining and silver hardware points to modern (2000s+) non-Coach production",
        "Condition: seller states Excellent inside and out; photos show supple leather with no obvious corner wear but bottom, full interior and strap fold not shown, so cap at Very Good to Excellent for pricing as generic bag"
    ],
    "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 3: Silver-tone decorative charm attached near the zipper; no Coach-marked hardware is visible.",
        "leather_description": "photos 1-5: Smooth, soft-looking black leather or leather-like exterior with substantial wrinkling; material composition cannot be confirmed from photos.",
        "lining_description": "photo 6: Black textile lining is visible, with an interior zip pocket.",
        "strap_construction": "photos 1, 2, and 4: Single wide shoulder strap with contrasting light stitching and a side adjustment buckle\/attachment detail.",
        "stitching_description": "photos 1-5: Contrasting light stitching appears generally even around the strap, logo patch, and lower trim."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a shoulder strap, spacious body, and zip-top opening.",
                    "photo 5: The exterior has a sewn leather-like logo patch, but the visible emblem reads as Medallion rather than Coach.",
                    "photo 6: The interior has a textile lining and an interior zip pocket, consistent with a mass-market hobo bag."
                ],
                "negative_evidence": [
                    "photo 5: Visible embossed emblem includes the word MEDALLION and does not show COACH, a Coach horse-and-carriage, or a Coach creed.",
                    "photo 6: Interior logo patch also shows the Medallion emblem rather than a Coach identifier.",
                    "photos 1-4: Slouchy construction, contrast stitching, textile lining, and decorative silver-tone charm do not match a recognizable vintage Coach classic model.",
                    "photos 1-6: No Coach creed patch, serial\/style number, Coach hangtag, or Coach wordmark is visible."
                ],
                "missing_information": [
                    "A clear photograph of every interior wall and pocket seam, in case another brand tag is present.",
                    "Close-ups of the zipper pull, strap hardware, and any additional interior or exterior labels.",
                    "Bottom and corner photographs for a more complete condition assessment."
                ],
                "authenticity_concerns": [
                    "photo 5: The visible branding identifies the bag as Medallion, not Coach; it should not be treated as a Coach bag.",
                    "photos 5-6: The sewn emblem patches are inconsistent with Coach branding and provide no basis for Coach manufacture."
                ],
                "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 3: Silver-tone decorative charm attached near the zipper; no Coach-marked hardware is visible.",
                    "leather_description": "photos 1-5: Smooth, soft-looking black leather or leather-like exterior with substantial wrinkling; material composition cannot be confirmed from photos.",
                    "lining_description": "photo 6: Black textile lining is visible, with an interior zip pocket.",
                    "strap_construction": "photos 1, 2, and 4: Single wide shoulder strap with contrasting light stitching and a side adjustment buckle\/attachment detail.",
                    "stitching_description": "photos 1-5: Contrasting light stitching appears generally even around the strap, logo patch, and lower trim."
                },
                "possible_model_reasoning": [
                    "No Coach model is supported because the visible logo is Medallion and no Coach identifier appears.",
                    "The slouchy shoulder-bag silhouette is a generic late-1990s\/Y2K hobo form, not sufficient to match a Coach catalog style.",
                    "Condition: approximately Very Good based on the visible intact exterior and stitching; interior and bottom wear are incompletely documented."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "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": [
                    "No Coach creed patch visible - interior back wall \/ slip pocket not fully shown (photo 6 shows only zip pocket area)",
                    "No bottom \/ corner close-ups to fully grade wear",
                    "No hardware brand stamps shown",
                    "No full interior view emptied"
                ],
                "negative_evidence": [
                    "photo 5: exterior leather patch embossed MEDALLION with M monogram and crest - positively identifies maker as Medallion, not Coach",
                    "photo 6: interior leather patch same MEDALLION branding, not a Coach creed patch with No. line",
                    "photo 1, photo 2: slouchy zip-top hobo silhouette with contrast white stitching - not a catalog vintage Coach classic silhouette",
                    "photo 3, photo 4: silver-tone zipper and Brighton-style heart charm, contrast stitching - inconsistent with 1970s-1990s solid brass, tone-on-tone Coach classics",
                    "photo 6: dark fabric lining visible around zip pocket - vintage Coach classics are unlined suede-back glove-tanned",
                    "no COACH wordmark, horse-and-carriage, creed, turnlock, or leather hangtag visible in any photo"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone zipper with small ring pull and added silver-tone heart \/ rope charm (photo 3); no brass turnlock, no dogleash clips, no COACH stamping visible",
                    "leather_description": "black soft \/ slouchy leather with sheen and wrinkling, not matte glove-tanned cowhide (photo 1, photo 2, photo 4)",
                    "lining_description": "dark fabric lining visible in photo 6 around interior zip pocket; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting white \/ light thread, visible along strap edges, base and brand patches (photo 1, photo 4, photo 5) - not tone-matched Coach stitching",
                    "strap_construction": "single wide shoulder strap continuous with body, plus narrow adjustable extension strap with buckle (photo 2, photo 4)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: leather handbag form that warrants triage, but no Coach hard identifiers"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: Medallion branding on both exterior and interior patches positively identifies non-Coach maker; silhouette, contrast stitching, fabric lining and silver hardware are inconsistent with vintage Coach classics",
                    "Era reasoning: seller-described Y2K \/ 90s style slouchy hobo with fabric lining and silver hardware points to modern (2000s+) non-Coach production",
                    "Condition: seller states Excellent inside and out; photos show supple leather with no obvious corner wear but bottom, full interior and strap fold not shown, so cap at Very Good to Excellent for pricing as generic bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17891,
            "output_tokens": 930,
            "total_tokens": 18821,
            "estimated_cost_usd": 0.009388
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18233,
            "output_tokens": 1359,
            "total_tokens": 19592,
            "estimated_cost_usd": 0.004734
        }
    ]
}