2 Blocks of 4 Vintage Commemorative 6 ¢ U S Postage Stamps 1970 Natural History Scott 1387-1390

This is a beautiful block of 5 Stamps in mint and never hinged condition.These are genuine, never before used postage stamps with original gum (adhesive).1970 USPS issued this 4-stamp block "Natural History" to commemorate the 100th anniversary of the opening of the Museum of Natural History. This museum - the largest of its kind in the entire world - had grown to occupy 18 buildings by 1970 American Bald Eagle African Elephant Herd , Haida Ceremonial Canoe, and The Age of Reptiles .