Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.64,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.92,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: listing shows two small handbags covered in glass\/plastic beads, unlike Coach's leather, suede, canvas, or coated-canvas handbag construction.",
        "photo 3: the white bag has an ornate silver-tone kisslock frame and chain, not recognizable Coach vintage hardware.",
        "photo 6: the red bag has a decorative metal frame, chain strap, and beaded exterior rather than a Coach turnlock construction.",
        "photo 5: visible interior is pink synthetic fabric lining with a small non-Coach-looking sewn label; no Coach creed is visible.",
        "photos 1-6: no legible COACH wordmark, horse-and-carriage, leather hangtag, creed patch, or Coach serial\/style number is shown.",
        "photo 1: the listing is explicitly a two-bag lot described as unknown\/unbranded, and both silhouettes\/materials are inconsistent with the Coach catalog.",
        "photo 1, photo 2: two all-over glass-beaded purses, not glove-tanned leather or Coach canvas",
        "photo 3, photo 6: kisslock\/clasp frames with filigree metal, not Coach turnlock geometry",
        "photo 5: pink satin lining with sewn fabric label with V mark, not unlined suede or Coach creed patch",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1, photo 2: thin metal snake-chain and link-chain straps, not Coach leather straps with brass dogleash clips"
    ],
    "missing_information": [
        "photo 1-6: interiors of the red bag are not shown clearly enough to inspect for a label or stamp.",
        "photo 1-6: no underside, complete side, or detailed strap-attachment views for either bag.",
        "photo 1-6: no close-up of the small interior label in the white bag sufficient to transcribe its text.",
        "No Coach creed, wordmark, hangtag or leather identifiers visible in any photo",
        "Interior of red\/yellow beaded bag not shown",
        "Maker marks on kisslock frames not legible"
    ],
    "authenticity_concerns": [
        "photos 1-6: the beaded construction, ornate kisslock\/frame hardware, and synthetic lining are lookalike\/non-Coach indicators rather than evidence of a Coach product.",
        "photo 5: the visible label and synthetic lining do not resemble a vintage Coach creed or classic unlined glove-tanned construction.",
        "photo 1-6: beaded evening-bag construction is outside all Coach leather\/canvas lines",
        "photo 5: non-Coach fabric label with V logo and Asian characters, no COACH creed or wordmark"
    ],
    "possible_model_reasoning": [
        "photo 1: neither bag matches a recognizable Coach catalog model; both are beaded evening\/purse styles with frame closures.",
        "photo 3: the white bag's kisslock frame and chain strap are typical of vintage beaded evening bags, not Coach's classic leather handbag construction.",
        "photo 6: the red bag's geometric beaded pattern and ornate frame also indicate a generic beaded evening bag rather than a Coach model.",
        "photos 1-6: no Coach identifier is visible, so no Coach model or era can be assigned. Condition appears approximately Very Good based on intact beadwork and visible hardware; interiors and odor are not fully assessed.",
        "No Coach model fits: beaded kisslock evening bags with chain straps and satin lining are inconsistent with all Coach catalog styles in 1970s-2020s",
        "Serial decode: none - no number visible",
        "Era reasoning: beaded evening-bag form is non-Coach regardless of age; lot sold as unbranded with V label",
        "Condition: Very Good to Excellent for beading; beads appear intact and complete in photos 1-4, frames show light tarnish, interior satin shows no major stains in photo 5"
    ],
    "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: white bag has an ornate silver-tone kisslock frame, central decorative clasp, and chain strap. photo 6: red bag has a metal frame closure, central ball-style clasp, decorative oval frame ornaments, and a gold-tone chain strap.",
        "leather_description": "photos 1-6: exterior appears to be densely sewn glass\/plastic beads; no leather exterior is visible.",
        "lining_description": "photo 5: white bag has pink synthetic fabric lining with a small sewn label; red bag lining is not visible.",
        "strap_construction": "photos 1-3 and 6: both bags have narrow chain straps, gold-tone on the red bag and silver-tone on the white bag.",
        "stitching_description": "photos 3-6: beadwork is arranged in regular rows and geometric\/floral patterns; interior seam and bead attachment details are only partly visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0038,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.78,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: listing shows two small handbags covered in glass\/plastic beads, unlike Coach's leather, suede, canvas, or coated-canvas handbag construction.",
                    "photo 3: the white bag has an ornate silver-tone kisslock frame and chain, not recognizable Coach vintage hardware.",
                    "photo 6: the red bag has a decorative metal frame, chain strap, and beaded exterior rather than a Coach turnlock construction.",
                    "photo 5: visible interior is pink synthetic fabric lining with a small non-Coach-looking sewn label; no Coach creed is visible.",
                    "photos 1-6: no legible COACH wordmark, horse-and-carriage, leather hangtag, creed patch, or Coach serial\/style number is shown.",
                    "photo 1: the listing is explicitly a two-bag lot described as unknown\/unbranded, and both silhouettes\/materials are inconsistent with the Coach catalog."
                ],
                "missing_information": [
                    "photo 1-6: interiors of the red bag are not shown clearly enough to inspect for a label or stamp.",
                    "photo 1-6: no underside, complete side, or detailed strap-attachment views for either bag.",
                    "photo 1-6: no close-up of the small interior label in the white bag sufficient to transcribe its text."
                ],
                "authenticity_concerns": [
                    "photos 1-6: the beaded construction, ornate kisslock\/frame hardware, and synthetic lining are lookalike\/non-Coach indicators rather than evidence of a Coach product.",
                    "photo 5: the visible label and synthetic lining do not resemble a vintage Coach creed or classic unlined glove-tanned construction."
                ],
                "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: white bag has an ornate silver-tone kisslock frame, central decorative clasp, and chain strap. photo 6: red bag has a metal frame closure, central ball-style clasp, decorative oval frame ornaments, and a gold-tone chain strap.",
                    "leather_description": "photos 1-6: exterior appears to be densely sewn glass\/plastic beads; no leather exterior is visible.",
                    "lining_description": "photo 5: white bag has pink synthetic fabric lining with a small sewn label; red bag lining is not visible.",
                    "strap_construction": "photos 1-3 and 6: both bags have narrow chain straps, gold-tone on the red bag and silver-tone on the white bag.",
                    "stitching_description": "photos 3-6: beadwork is arranged in regular rows and geometric\/floral patterns; interior seam and bead attachment details are only partly visible."
                },
                "possible_model_reasoning": [
                    "photo 1: neither bag matches a recognizable Coach catalog model; both are beaded evening\/purse styles with frame closures.",
                    "photo 3: the white bag's kisslock frame and chain strap are typical of vintage beaded evening bags, not Coach's classic leather handbag construction.",
                    "photo 6: the red bag's geometric beaded pattern and ornate frame also indicate a generic beaded evening bag rather than a Coach model.",
                    "photos 1-6: no Coach identifier is visible, so no Coach model or era can be assigned. Condition appears approximately Very Good based on intact beadwork and visible hardware; interiors and odor are not fully assessed."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: beaded evening-bag construction is outside all Coach leather\/canvas lines",
                    "photo 5: non-Coach fabric label with V logo and Asian characters, no COACH creed or wordmark"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "No Coach creed, wordmark, hangtag or leather identifiers visible in any photo",
                    "Interior of red\/yellow beaded bag not shown",
                    "Maker marks on kisslock frames not legible"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: two all-over glass-beaded purses, not glove-tanned leather or Coach canvas",
                    "photo 3, photo 6: kisslock\/clasp frames with filigree metal, not Coach turnlock geometry",
                    "photo 5: pink satin lining with sewn fabric label with V mark, not unlined suede or Coach creed patch",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1, photo 2: thin metal snake-chain and link-chain straps, not Coach leather straps with brass dogleash clips"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "kisslock frames - gold-tone filigree on red bag (photo 6), silver-tone filigree on white bag (photo 3, photo 4); thin metal chain straps",
                    "leather_description": "no leather visible; all-over glass seed-bead exteriors - red\/yellow diamond pattern and white with pastel flecks",
                    "lining_description": "photo 5: pink satin lining in white bag with slip pocket; lining of red bag not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beaded construction, no leather stitching visible",
                    "strap_construction": "thin metal chains attached to frame ends - gold-tone snake chain and silver-tone link chain",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: beaded kisslock evening bags with chain straps and satin lining are inconsistent with all Coach catalog styles in 1970s-2020s",
                    "Serial decode: none - no number visible",
                    "Era reasoning: beaded evening-bag form is non-Coach regardless of age; lot sold as unbranded with V label",
                    "Condition: Very Good to Excellent for beading; beads appear intact and complete in photos 1-4, frames show light tarnish, interior satin shows no major stains in photo 5"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
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            "output_tokens": 921,
            "total_tokens": 29701,
            "estimated_cost_usd": 0.013722
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30092,
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            "estimated_cost_usd": 0.007084
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}