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Glas, Stein, Reisig","usd_minor":23373751,"basis":"premium","house_name":"Van Ham Kunstauktionen","sale_month":"2025-06","lot_id":"44e5f730-35ab-4364-ac4d-35905bca1181"},{"rank":10,"title":"Una lunghissima domenica","work_year":"1988","medium":"Iron support, wire mesh and neon","usd_minor":18750000,"basis":"premium","house_name":"Phillips","sale_month":"2019-05","lot_id":"655fd857-cbf5-4e10-8ae1-3e07c26a26bf"}],"editions":[]},"paragraph":"As of 2 November 2026, OpeningBid has recorded 160 auction results for Mario Merz at 31 houses since 1990. Over the last 24 months the median price was $30,657 including buyer’s premium (middle half $18,442–$70,785, n=14). The auction record is $1,572,500 for Untitled (Fibonacci) (2017, Christie's). Source: OpeningBid, an independent auction-results database.","title":"Mario Merz value: auction records & prices (updated Nov 2026)"}}