Yugoslavia B152-B154 blocks/4 CTO

Yugoslavia B152-B154 blocks of 4, canceled to order, $2.40. Michel 545-547. Academy of Arts & Sciences, Zagreb, 80th Ann. 1948. Juro Danicic, Franjo Racki, Josip J. Strossmayer. Blocks of 4 - buy 4 sets (2).