Belgian postal souvenir sheet featuring a 20F stamp honoring the Apollo 11 astronauts, 3.75 x 5, signed in ballpoint ”Neil Armstrong.” Armstrong signed these stamp blocks while under contract to Sieger in 1970–71. Cover is attached by corner tabs to an 11 x 8.5 presentation sheet. In very fine, fresh condition. COA Scott Cornish and RRAuction COA.
