Souvenir Sheets Collection in Black Stockbook: 1966-68, 63 perforated and imperforated souvenir sheets, representing issues of Kathiri State of Seiyun, Kathiri State in Hadhramaut and Mahra State, nice topical issues such as Space, Paintings, Sports and etc., many produced in very limited quantity (especially imperforated ones), perfect condition, full OG, NH, VF, Minkus (1989) C.v. $11,000, Est. $750- $1,000 (website photo) (Image)