The Metropolitan Museum of Art Holiday Cards, Audubon Cardinal Grosbeak, 20-Count (MXC1218) Box of 20 holiday cards, approximately 4.875 inches wide x 6.5 inches high Inside message reads, Happy Holidays Cardinal Grosbeak artwork by John James Audubon, an American ornithologist, naturalist, and painter Coordinating envelopes included Purchases of The Metropolitan Museum of Art cards help support the preservation of nearly 2 million works of art gathered from all over the world