1927-32, Turkish Aviation Society, group of over sixty stamps in singles, pairs, and blocks of four, with errors and varieties including imperforate between pairs and blocks, noting sets including 1930 Surcharges as singles, with some multiples (Mi. 15/20, Isf T15/21), 1933 set in unmounted blocks of four (Mi 24/6), 1933 unmounted set of singles (Mi 27/29), etc, an interesting group, mostly fine.
