|Object Name||Stamp, Postage|
|Title||Project Mercury Commemorative Stamps|
|Scope & Content||Includes a envelope with 4-cent Project Mercury stamp attached, dated February 20, 1962, four 4-cent Project Mercury stamps and a handwritten note of the details of John H. Glenn's orbit in space.|
|Dates of Creation||February 20, 1962|
Glenn, John H.
United States Postal Service