Boston International The MET Boxed Holiday Cards, Mailman Has Gone by Robertson-Moses, 20-Count 20 Cards boxed with 20 envelopes, cards measure approximately 4.875 x 6.25 inches Mailman Has Gone by American artist Anna Mary Robertson Moses, better known as Grandma Moses Inside message: Happy Holidays Send a beautifully nostalgic card this season 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