In 1975, the cost of sending a first-class letter within the United States was 10 cents. This rate applied to standard-sized envelopes weighing one ounce or less. Postcard rates were slightly lower,... Read more »
The United States Postal Service issued a commemorative stamp for the 1975 holiday season. Featuring the Madonna and Child from the painting “The Madonna of the Book” by Sandro Botticelli, this stamp... Read more »
