Height x Width (not to exceed): 3 x 5 1/4 in. (7.62 x 13.34 cm)
United States of America
Regular stamps distributed as samples or gifts were valid for postage. To end this option for gift recipients, the Post Office Department began in 1879 to have sample stamps printed on card stock, which dignitaries received in small envelopes like this one. The samples were so popular that the POD ordered five reprints, the last being in 1894.