One of Andy Warhol's characteristic modes of expression as an artist lay in his fondness for taking as his themes famous symbols, trademarks, labels and celebrities. The result was numerous portfolios of figures from politics, art and history. One of these is the 1985 series Reigning Queens, consisting of 16 serigraphs: four colour portraits of Queen Elizabeth II, Queen Margrethe II, Queen Beatrix and Queen Ntombi Twala. The Andy Warhol Museum of Modern Art at Medzilaborce (until 28th July, 1996 the Warhol Family Museum of Modern Art) possesses the last of these works in a form marked TP (trial proof) and...