Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.385,
    "vintage_probability": 0.08,
    "authenticity_confidence": 0.28,
    "image_quality_score": 0.565,
    "seller_misidentification_probability": 0.37,
    "confidence": 0.47,
    "recommended_max_bid": 25,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 57.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: a vertical embossed wordmark appears to read COACH on the leather zipper trim, though the image is blurry",
        "photo 1: substantial black leather tote with clean, fairly even tonal stitching and leather shoulder straps",
        "photo 2: fabric-lined interior and zip pocket are visible, consistent with a modern leather tote construction",
        "photo 3: vertical embossed lettering on interior leather trim, possibly brand marking but too blurry to read - cannot confirm Coach"
    ],
    "negative_evidence": [
        "photo 1: silhouette is a generic open-top structured tote and does not clearly match a distinctive vintage Coach classic",
        "photo 2: no sewn rectangular creed patch or country-of-manufacture line is visible",
        "photo 3: the apparent COACH marking is too blurred to verify its exact lettering or stamping quality",
        "photo 1: bright metal hardware and fabric lining lean modern rather than 1970s\u20131990s glove-tanned Coach",
        "photo 1, photo 4: large open-top tote with thin shoulder straps, no turnlock, no hangtag, no Coach silhouette match",
        "photo 2: brown woven fabric lining, not unlined glove-tanned suede-back leather expected for vintage Coach classics",
        "photo 1, photo 4: thin smooth coated-looking black leather with center seam construction, not thick glove-tanned cowhide",
        "photo 2, photo 3: no creed patch visible on interior wall or pocket",
        "photo 3: no legible COACH wordmark, horse-and-carriage, or No. serial visible"
    ],
    "missing_information": [
        "Straight-on close-up of the interior back wall and all pockets to check for a creed patch",
        "Close-up of the apparent COACH wordmark and every zipper pull\/hardware stamp",
        "Full interior emptied, including any fabric tags or style-code tags",
        "Photos of the strap attachments, bottom, corners, and both sides",
        "Seller-stated dimensions and confirmation of whether the leather is genuine",
        "photo of any creed patch or fabric content tag straight-on in raking light - none shown",
        "clear photo of embossed lettering on interior leather trim in photo 3 - blurry and unreadable",
        "front, back, side views and interior fully emptied",
        "hardware close-ups including zipper pull brand stamp",
        "strap attachments and bottom corners",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "The apparent wordmark alone does not establish Coach manufacture; counterfeit and lookalike totes can copy the mark",
        "No readable creed, style number, country line, or other corroborating identifier is shown",
        "The generic tote silhouette and limited interior coverage prevent an era-and-construction consistency check"
    ],
    "possible_model_reasoning": [
        "The bag is clearly a handbag tote, but no distinctive Coach catalog model can be identified from the available views; possible models are therefore omitted.",
        "photo 3: the apparent COACH zipper-area marking may support a modern Coach attribution, but it is not sufficiently legible to decode a style or date.",
        "The fabric lining, smooth leather, zipper construction, and generic tote shape suggest modern 2000s+ production rather than a vintage glove-tanned classic.",
        "Condition: Good to Very Good; visible base creasing\/compression and light surface wear are present in photos 1 and 4, while the interior and strap condition are incompletely shown.",
        "No Coach model fits: no creed, no wordmark, no turnlock, fabric-lined thin-leather tote inconsistent with vintage glove-tanned classics; modern Coach totes would require legible creed\/fabric tag and consistent hardware, none shown. Condition: Good to Very Good based on exterior sheen and no visible corner wear in photo 4, but interior and full views incomplete 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 2: visible zipper with gold-tone pull hardware; photo 3: zipper area appears to have an embossed vertical COACH marking, but detail is blurred",
        "leather_description": "photo 1: smooth black leather or leather-like material with a slight sheen; lower corners show creasing and compression",
        "lining_description": "photo 2: brown\/taupe fabric lining with an interior zip pocket; exact material and condition are not fully visible",
        "strap_construction": "photo 1: two long fixed shoulder straps, stitched vertically to the front and likely extending over the top; attachment details are not fully shown",
        "stitching_description": "photos 1 and 4: generally straight, close tonal stitching with multiple structural seams; minor creasing and compression at the base"
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0333,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.68,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.48,
                "image_quality_score": 0.68,
                "seller_misidentification_probability": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: a vertical embossed wordmark appears to read COACH on the leather zipper trim, though the image is blurry",
                    "photo 1: substantial black leather tote with clean, fairly even tonal stitching and leather shoulder straps",
                    "photo 2: fabric-lined interior and zip pocket are visible, consistent with a modern leather tote construction"
                ],
                "negative_evidence": [
                    "photo 1: silhouette is a generic open-top structured tote and does not clearly match a distinctive vintage Coach classic",
                    "photo 2: no sewn rectangular creed patch or country-of-manufacture line is visible",
                    "photo 3: the apparent COACH marking is too blurred to verify its exact lettering or stamping quality",
                    "photo 1: bright metal hardware and fabric lining lean modern rather than 1970s\u20131990s glove-tanned Coach"
                ],
                "missing_information": [
                    "Straight-on close-up of the interior back wall and all pockets to check for a creed patch",
                    "Close-up of the apparent COACH wordmark and every zipper pull\/hardware stamp",
                    "Full interior emptied, including any fabric tags or style-code tags",
                    "Photos of the strap attachments, bottom, corners, and both sides",
                    "Seller-stated dimensions and confirmation of whether the leather is genuine"
                ],
                "authenticity_concerns": [
                    "The apparent wordmark alone does not establish Coach manufacture; counterfeit and lookalike totes can copy the mark",
                    "No readable creed, style number, country line, or other corroborating identifier is shown",
                    "The generic tote silhouette and limited interior coverage prevent an era-and-construction consistency check"
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": true,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 2: visible zipper with gold-tone pull hardware; photo 3: zipper area appears to have an embossed vertical COACH marking, but detail is blurred",
                    "leather_description": "photo 1: smooth black leather or leather-like material with a slight sheen; lower corners show creasing and compression",
                    "lining_description": "photo 2: brown\/taupe fabric lining with an interior zip pocket; exact material and condition are not fully visible",
                    "strap_construction": "photo 1: two long fixed shoulder straps, stitched vertically to the front and likely extending over the top; attachment details are not fully shown",
                    "stitching_description": "photos 1 and 4: generally straight, close tonal stitching with multiple structural seams; minor creasing and compression at the base"
                },
                "possible_model_reasoning": [
                    "The bag is clearly a handbag tote, but no distinctive Coach catalog model can be identified from the available views; possible models are therefore omitted.",
                    "photo 3: the apparent COACH zipper-area marking may support a modern Coach attribution, but it is not sufficiently legible to decode a style or date.",
                    "The fabric lining, smooth leather, zipper construction, and generic tote shape suggest modern 2000s+ production rather than a vintage glove-tanned classic.",
                    "Condition: Good to Very Good; visible base creasing\/compression and light surface wear are present in photos 1 and 4, while the interior and strap condition are incompletely shown."
                ],
                "confidence": 0.59,
                "recommended_max_bid": 35,
                "estimated_resale_low": 25,
                "estimated_resale_high": 85
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.08,
                "coach_probability": 0.09,
                "confidence": 0.35,
                "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 any creed patch or fabric content tag straight-on in raking light - none shown",
                    "clear photo of embossed lettering on interior leather trim in photo 3 - blurry and unreadable",
                    "front, back, side views and interior fully emptied",
                    "hardware close-ups including zipper pull brand stamp",
                    "strap attachments and bottom corners",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1, photo 4: large open-top tote with thin shoulder straps, no turnlock, no hangtag, no Coach silhouette match",
                    "photo 2: brown woven fabric lining, not unlined glove-tanned suede-back leather expected for vintage Coach classics",
                    "photo 1, photo 4: thin smooth coated-looking black leather with center seam construction, not thick glove-tanned cowhide",
                    "photo 2, photo 3: no creed patch visible on interior wall or pocket",
                    "photo 3: no legible COACH wordmark, horse-and-carriage, or No. serial visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zipper with leather pull tab visible in photo 2; no turnlock, no brass dogleash clips, no stamped pulls visible",
                    "leather_description": "black smooth leather, thin and slightly shiny, center-seamed tote body in photo 1 and photo 4; not thick matte glove-tanned texture",
                    "lining_description": "brown\/taupe woven fabric lining visible in photo 2; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight even stitching along center seam and bottom in photo 1 and photo 4; thread matched to leather",
                    "strap_construction": "two thin flat shoulder straps, stitched to body, no buckle adjustment or dogleash clips visible in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 3: vertical embossed lettering on interior leather trim, possibly brand marking but too blurry to read - cannot confirm Coach"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: no creed, no wordmark, no turnlock, fabric-lined thin-leather tote inconsistent with vintage glove-tanned classics; modern Coach totes would require legible creed\/fabric tag and consistent hardware, none shown. Condition: Good to Very Good based on exterior sheen and no visible corner wear in photo 4, but interior and full views incomplete so grade capped."
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.09,
                "vintage_probability": 0.08
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17066,
            "output_tokens": 983,
            "total_tokens": 18049,
            "estimated_cost_usd": 0.009186
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17527,
            "output_tokens": 1506,
            "total_tokens": 19033,
            "estimated_cost_usd": 0.00471
        }
    ]
}