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chalk","usd_minor":984825,"basis":"premium","house_name":"James Adam Salesrooms","sale_month":"2012-05","lot_id":"020e21f8-58e3-4601-8ed0-15958c3b0b72"}],"editions":[]},"paragraph":"As of 2 November 2026, OpeningBid has recorded 184 auction results for Sean O'Sullivan at 4 houses since 1998. Over the last 24 months the median price was $2,237 including buyer’s premium (middle half $1,500–$3,457, n=7). The auction record is $65,460 for The Old Couple (2012, James Adam Salesrooms). Source: OpeningBid, an independent auction-results database.","title":"Sean O'Sullivan value: auction records & prices (updated Nov 2026)"}}