Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.115,
    "vintage_probability": 0.46,
    "authenticity_confidence": 0.085,
    "image_quality_score": 0.5,
    "seller_misidentification_probability": 0.115,
    "confidence": 0.565,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather-looking shoulder bag with a simple soft hobo silhouette and top zipper.",
        "photo 2: adjustable-looking leather strap with small metal attachment hardware.",
        "photo 3: interior appears fabric-lined and includes a zippered pocket, consistent with a later hobo-style bag.",
        "photo 1-2: soft leather shoulder hobo of 1980s-type scale 13 x 9.25 in as seller states",
        "photo 1-2: dark leather with soft drape and patina that warrants checking for misidentified vintage"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
        "photo 1: silhouette and construction are generic and do not clearly match a specific vintage Coach classic.",
        "photo 2: hardware appears dark and relatively lightweight; its material and branding are not discernible.",
        "photo 3: no creed patch or readable serial\/style number is visible.",
        "photo 3: fabric lining with faint printed characters - vintage Coach classics are unlined suede-back glove-tanned, not printed fabric lined",
        "photo 1-2: zip-top soft hobo with center seam and thin flat strap - no turnlock, no dogleash clips, no brass hardware typical of 1980s Coach",
        "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 2: thin strap with small brass-tone rivet and simple loop attachment, not Coach buckle-adjustable or dowel \/ clip construction"
    ],
    "missing_information": [
        "photo 3: brighter, straight-on interior photo showing all interior walls and pockets.",
        "Close-up photos of the zipper pull, strap hardware, stitching, and any labels or stamps.",
        "Straight-on photos of the bottom, both sides, strap attachment points, and interior pocket.",
        "Seller-stated dimensions and material are unverified from photos; country of manufacture is not shown.",
        "photo of interior emptied showing full lining and any brand \/ content tags",
        "straight-on photo of any interior leather patch or fabric tag in raking light",
        "photo of bottom and corners, back and side views",
        "hardware close-up: zipper pull brand stamp and strap rivets \/ buckle",
        "seller-stated material confirmation - leather vs synthetic"
    ],
    "authenticity_concerns": [
        "The visible lined hobo construction has no Coach identifier and could be a generic leather bag or another brand.",
        "The seller's 1980s dating is not verifiable from the photos; the fabric lining and visible construction do not establish an 1980s Coach origin."
    ],
    "possible_model_reasoning": [
        "The soft, zip-top hobo shape is not sufficient to identify a Coach model; no catalog-specific Coach features are visible.",
        "The seller's stated 1980s date is unverified and is not supported by a visible creed, serial, country line, or period-specific hardware.",
        "Condition: Good, based on visible creasing and wear around the body and lower corners (photos 1-2); interior condition and odor are unknown.",
        "No Coach catalog match: zip-top hobo with fabric lining and thin strap does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525) or other classics which are turnlock flap and unlined glove-tanned with solid brass",
        "No hard identifiers to decode: no legible creed, serial, country line, hangtag or wordmark in any photo",
        "Condition: Good to Very Good by photos - soft creasing and surface wear visible photo 1-2, corners and interior not fully shown so capped, lining condition unknown due to dark photo 3"
    ],
    "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 2: small dark metal strap attachment hardware is visible; branding, metal composition, and exact construction are not discernible.",
        "leather_description": "photos 1-2: dark gray, smooth-looking leather or leather-like material with visible creasing and compression folds; exact leather type is not verifiable.",
        "lining_description": "photo 3: dark fabric lining is visible, with an interior zippered pocket; color, composition, and condition are difficult to assess.",
        "strap_construction": "photos 1-2: narrow adjustable-looking shoulder strap attached at both sides with small hardware; buckle details and strap condition are only partially visible.",
        "stitching_description": "photos 1-2: central vertical seam and perimeter seams are visible, but stitch quality and consistency cannot be assessed confidently at this resolution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.18,
                "vintage_probability": 0.42,
                "authenticity_confidence": 0.12,
                "image_quality_score": 0.55,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather-looking shoulder bag with a simple soft hobo silhouette and top zipper.",
                    "photo 2: adjustable-looking leather strap with small metal attachment hardware.",
                    "photo 3: interior appears fabric-lined and includes a zippered pocket, consistent with a later hobo-style bag."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
                    "photo 1: silhouette and construction are generic and do not clearly match a specific vintage Coach classic.",
                    "photo 2: hardware appears dark and relatively lightweight; its material and branding are not discernible.",
                    "photo 3: no creed patch or readable serial\/style number is visible."
                ],
                "missing_information": [
                    "photo 3: brighter, straight-on interior photo showing all interior walls and pockets.",
                    "Close-up photos of the zipper pull, strap hardware, stitching, and any labels or stamps.",
                    "Straight-on photos of the bottom, both sides, strap attachment points, and interior pocket.",
                    "Seller-stated dimensions and material are unverified from photos; country of manufacture is not shown."
                ],
                "authenticity_concerns": [
                    "The visible lined hobo construction has no Coach identifier and could be a generic leather bag or another brand.",
                    "The seller's 1980s dating is not verifiable from the photos; the fabric lining and visible construction do not establish an 1980s Coach origin."
                ],
                "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 2: small dark metal strap attachment hardware is visible; branding, metal composition, and exact construction are not discernible.",
                    "leather_description": "photos 1-2: dark gray, smooth-looking leather or leather-like material with visible creasing and compression folds; exact leather type is not verifiable.",
                    "lining_description": "photo 3: dark fabric lining is visible, with an interior zippered pocket; color, composition, and condition are difficult to assess.",
                    "strap_construction": "photos 1-2: narrow adjustable-looking shoulder strap attached at both sides with small hardware; buckle details and strap condition are only partially visible.",
                    "stitching_description": "photos 1-2: central vertical seam and perimeter seams are visible, but stitch quality and consistency cannot be assessed confidently at this resolution."
                },
                "possible_model_reasoning": [
                    "The soft, zip-top hobo shape is not sufficient to identify a Coach model; no catalog-specific Coach features are visible.",
                    "The seller's stated 1980s date is unverified and is not supported by a visible creed, serial, country line, or period-specific hardware.",
                    "Condition: Good, based on visible creasing and wear around the body and lower corners (photos 1-2); interior condition and odor are unknown."
                ],
                "confidence": 0.58,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.55,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "photo of interior emptied showing full lining and any brand \/ content tags",
                    "straight-on photo of any interior leather patch or fabric tag in raking light",
                    "photo of bottom and corners, back and side views",
                    "hardware close-up: zipper pull brand stamp and strap rivets \/ buckle",
                    "seller-stated material confirmation - leather vs synthetic"
                ],
                "negative_evidence": [
                    "photo 3: fabric lining with faint printed characters - vintage Coach classics are unlined suede-back glove-tanned, not printed fabric lined",
                    "photo 1-2: zip-top soft hobo with center seam and thin flat strap - no turnlock, no dogleash clips, no brass hardware typical of 1980s Coach",
                    "photo 1-3: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 2: thin strap with small brass-tone rivet and simple loop attachment, not Coach buckle-adjustable or dowel \/ clip construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "top zipper with dark tape, small brass-tone rivet at strap tab visible in photo 2; zipper pull brand not visible; no turnlock",
                    "leather_description": "dark gray \/ black smooth soft leather with creasing and surface sheen in photo 1-2, consistent with generic 1980s-1990s hobo, not clearly glove-tanned",
                    "lining_description": "gray fabric lining with faint dark printed characters visible in photo 3, dark and out of focus; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "center front vertical seam visible in photo 1; other stitching not clearly visible",
                    "strap_construction": "thin flat single shoulder strap with buckle-adjustment and loop-through body attachment visible in photo 1-2, drop ~16 in per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: soft leather shoulder hobo of 1980s-type scale 13 x 9.25 in as seller states",
                    "photo 1-2: dark leather with soft drape and patina that warrants checking for misidentified vintage"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: zip-top hobo with fabric lining and thin strap does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Stewardess (9525) or other classics which are turnlock flap and unlined glove-tanned with solid brass",
                    "No hard identifiers to decode: no legible creed, serial, country line, hangtag or wordmark in any photo",
                    "Condition: Good to Very Good by photos - soft creasing and surface wear visible photo 1-2, corners and interior not fully shown so capped, lining condition unknown due to dark photo 3"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16461,
            "output_tokens": 781,
            "total_tokens": 17242,
            "estimated_cost_usd": 0.008459
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16772,
            "output_tokens": 1548,
            "total_tokens": 18320,
            "estimated_cost_usd": 0.004593
        }
    ]
}