On May 12 & 13, 2021 Dominic Winter Auctioneers, based in the Cotswold Water Park in Gloucestershire (UK)  held an auction entitled “Printed Books, Maps & Documents, Numismatics: The Patricia Milne-Henderson Collection” which included three lots of 19th century plaster intaglio impressions.  As shown below, the prices realized for the impressions were impressive!