 Prentice's work features in the collections of the Victoria and Albert Museum in London, Birmingham Museum and Art Gallery, the Art Institute of Chicago, the Albright-Knox Art Gallery in Buffalo, New York and the Museum of Modern Art in New York City.Ashmolean Oxford, Bass Museum Miami, House of Commons Acquisition Committee Westminster, Betty Parsons New York, The Rank Organisation, Miami Dade Community College Miami, Arts Council of Great Britain and many private collections.He is four times winner of the Sunday Times Watercolour Competition - First Prize 1990, Second Prize 1999 and third prizes in 1996 and 2007.