Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.785,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 4: clearly shows a leather shoulder bag with a flap, long strap, and functional handbag proportions.",
        "photo 1: visible tooled leather and hand-laced edge construction are consistent with a vintage or vintage-inspired leather artisan bag."
    ],
    "negative_evidence": [
        "photo 4: the closure is a decorative ring\/buckle-style fitting, not a recognizable Coach turnlock.",
        "photo 1: the prominent embossed floral\/scroll tooling and extensive lacing are not characteristic of classic Coach glove-tanned handbag construction.",
        "photos 1-6: no legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photos 3-6: the construction appears western\/bohemian artisan-made, with heavily tooled leather, lacing, and a mottled finish rather than a documented Coach silhouette.",
        "photo 3: the separate tooled zip coin purse is visible, but it has no visible Coach branding.",
        "photo 4,5,6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible on bag",
        "photo 4,5,6: mottled orange-brown tie-dye \/ marbled finish unlike vintage Coach glove-tanned cowhide",
        "photo 4,5,6: exposed whipstitch \/ laced side seams unlike Coach construction",
        "photo 4: front flap closure is small metal hasp with hanging ring, not Coach turnlock geometry",
        "photo 1,2,3: tooled floral coin purse with braided lacing is artisan\/boho style, not Coach style"
    ],
    "missing_information": [
        "Straight-on interior photograph showing all compartments, labels, and any leather creed patch.",
        "Close-up photographs of every stamp, tag, zipper pull, and hardware marking.",
        "Clear bottom, corner, and strap-attachment photographs.",
        "Seller-provided maker or provenance information, if available.",
        "photo of interior compartment emptied and interior walls\/pockets where creed would sit",
        "photo of bottom and all four corners for condition grade",
        "close-up of front closure hardware front and back plate",
        "close-up of strap attachments, buckle holes and fold points",
        "any stamps, labels or Made-in markings on bag and on tooled coin purse"
    ],
    "authenticity_concerns": [
        "photos 1-6: no Coach identifiers are visible, while the tooled, laced western construction strongly suggests a non-Coach artisan or lookalike bag.",
        "photo 4: the large ring-style closure and decorative tooling do not match the documented construction cues of the classic Coach models."
    ],
    "possible_model_reasoning": [
        "The silhouette and closure do not closely match the listed classic Coach City Bag, Willis, Court, Station, or Stewardess styles.",
        "The heavily tooled western design and laced edges are more consistent with an unbranded artisan leather shoulder bag than with Coach production.",
        "Condition: approximately Very Good based on the visible intact leather and hardware; interior, odor, bottom, and hidden wear remain unknown.",
        "no Coach identifier visible in any photo so no catalog style fits; silhouette with flap + ring-hasp + laced sides + mottled finish matches 1970s-style artisan\/boho shoulder bag, not City Bag, Willis, Court, Dinky or other classics",
        "era reasoning: seller claims 1970s but no creed, cartouche, Talon zipper or other dating evidence visible; construction reads as handmade\/boho revival, so non-Coach modern\/vintage-unknown",
        "Condition: seller states Excellent preowned; photos show glossy leather with no obvious corner wear but no bottom or interior views, 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": "photo 4: brass-tone ring-style flap closure with a small rectangular fitting; photo 3: metal zipper on the separate coin purse. No Coach engraving is visible.",
        "leather_description": "photos 1-6: brown leather with strong mottled\/two-tone coloration, extensive floral\/scroll tooling, and decorative laced edging.",
        "lining_description": "not_visible",
        "strap_construction": "photos 4-6: long adjustable-looking leather shoulder strap with decorative cutouts\/lacing at the attachments; exact adjustment hardware is not fully visible.",
        "stitching_description": "photos 1-6: visible perimeter stitching and prominent hand-laced leather edging; stitching appears broadly even, but close stress-point details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 4: clearly shows a leather shoulder bag with a flap, long strap, and functional handbag proportions.",
                    "photo 1: visible tooled leather and hand-laced edge construction are consistent with a vintage or vintage-inspired leather artisan bag."
                ],
                "negative_evidence": [
                    "photo 4: the closure is a decorative ring\/buckle-style fitting, not a recognizable Coach turnlock.",
                    "photo 1: the prominent embossed floral\/scroll tooling and extensive lacing are not characteristic of classic Coach glove-tanned handbag construction.",
                    "photos 1-6: no legible COACH wordmark, horse-and-carriage mark, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photos 3-6: the construction appears western\/bohemian artisan-made, with heavily tooled leather, lacing, and a mottled finish rather than a documented Coach silhouette.",
                    "photo 3: the separate tooled zip coin purse is visible, but it has no visible Coach branding."
                ],
                "missing_information": [
                    "Straight-on interior photograph showing all compartments, labels, and any leather creed patch.",
                    "Close-up photographs of every stamp, tag, zipper pull, and hardware marking.",
                    "Clear bottom, corner, and strap-attachment photographs.",
                    "Seller-provided maker or provenance information, if available."
                ],
                "authenticity_concerns": [
                    "photos 1-6: no Coach identifiers are visible, while the tooled, laced western construction strongly suggests a non-Coach artisan or lookalike bag.",
                    "photo 4: the large ring-style closure and decorative tooling do not match the documented construction cues of the classic Coach models."
                ],
                "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 4: brass-tone ring-style flap closure with a small rectangular fitting; photo 3: metal zipper on the separate coin purse. No Coach engraving is visible.",
                    "leather_description": "photos 1-6: brown leather with strong mottled\/two-tone coloration, extensive floral\/scroll tooling, and decorative laced edging.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 4-6: long adjustable-looking leather shoulder strap with decorative cutouts\/lacing at the attachments; exact adjustment hardware is not fully visible.",
                    "stitching_description": "photos 1-6: visible perimeter stitching and prominent hand-laced leather edging; stitching appears broadly even, but close stress-point details are limited."
                },
                "possible_model_reasoning": [
                    "The silhouette and closure do not closely match the listed classic Coach City Bag, Willis, Court, Station, or Stewardess styles.",
                    "The heavily tooled western design and laced edges are more consistent with an unbranded artisan leather shoulder bag than with Coach production.",
                    "Condition: approximately Very Good based on the visible intact leather and hardware; interior, odor, bottom, and hidden wear remain unknown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 10,
                "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": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of interior compartment emptied and interior walls\/pockets where creed would sit",
                    "photo of bottom and all four corners for condition grade",
                    "close-up of front closure hardware front and back plate",
                    "close-up of strap attachments, buckle holes and fold points",
                    "any stamps, labels or Made-in markings on bag and on tooled coin purse"
                ],
                "negative_evidence": [
                    "photo 4,5,6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible on bag",
                    "photo 4,5,6: mottled orange-brown tie-dye \/ marbled finish unlike vintage Coach glove-tanned cowhide",
                    "photo 4,5,6: exposed whipstitch \/ laced side seams unlike Coach construction",
                    "photo 4: front flap closure is small metal hasp with hanging ring, not Coach turnlock geometry",
                    "photo 1,2,3: tooled floral coin purse with braided lacing is artisan\/boho style, not Coach style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 4: small dark metal flap hasp with brass-tone hanging ring; no Coach turnlock plate or engraving visible",
                    "leather_description": "photo 4,5,6: mottled \/ marbled brown-orange-rust smooth leather with high gloss variation; side panels joined with light-tan whipstitch lacing",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 5,6: large exposed lacing \/ whipstitch along side gussets, not Coach tight matched stitching; top-stitched edges per seller text not clearly visible",
                    "strap_construction": "photo 4,5,6: wide flat leather shoulder strap in same mottled leather, sewn\/attached at sides, slit-laced detail near attachment; full length and adjustment not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "no Coach identifier visible in any photo so no catalog style fits; silhouette with flap + ring-hasp + laced sides + mottled finish matches 1970s-style artisan\/boho shoulder bag, not City Bag, Willis, Court, Dinky or other classics",
                    "era reasoning: seller claims 1970s but no creed, cartouche, Talon zipper or other dating evidence visible; construction reads as handmade\/boho revival, so non-Coach modern\/vintage-unknown",
                    "Condition: seller states Excellent preowned; photos show glossy leather with no obvious corner wear but no bottom or interior views, so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17775,
            "output_tokens": 913,
            "total_tokens": 18688,
            "estimated_cost_usd": 0.009301
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18115,
            "output_tokens": 1433,
            "total_tokens": 19548,
            "estimated_cost_usd": 0.004769
        }
    ]
}