Flintstones 2018 C1 Sierra style blank
The Flintstones, Republic of Chad 2018 issue stamp. A photo of the set of 4 stamps (not included) is attached to better show the entire picture. This blank uses the top left stamp of the set of 4. The stamp wraps around the tube, covering and partially concealing the "Republique du Tchad" wording. A portion of the purple strip remains visible.