Panama stamp

How a Postage Stamp May Have Helped Create the Panama Canal

The decision to build a Panama Canal came about because of two lobbyists, one of whom thought a stamp would make a telling point.
USPS Forever stamps featuring illustrations from Ezra Jack Keats' book "Snowy Day"

The Man Whose Snowy Day Helped Diversify Children’s Books

Jack Ezra Keats's 1962 book The Snowy Day featured an African-American protagonist, a first for a full-color children’s book.