BULGARIA (1962a) Rose*. CTO Pair imperforate at top. Scott No 1210, Yvert No 1126. Hard to find!
AVAILABLE AT $100
BULGARIA (1962) Pavel Popovich*. Vostok 4*. Used stamp with massive color shift resulting in "ghost" helmet. Normal stamp shown for comparison. Scott No C95.
AVAILABLE AT $50
BULGARIA (1962) Pavel Popovich*. Vostok 4*. Margin strip of 5 with bottom stamp imperforate horizontally. Scott No C95.
AVAILABLE AT $75
BULGARIA (1964) Figure skater*. CTO imperforate at bottom. Scott No 1312, Yvert No 1228.
AVAILABLE AT $12
BULGARIA (1967) Vostok satellite*. Horizontally imperforate at top. Scott No 1615.
AVAILABLE AT $55
BULGARIA (1967) Gagarin*. Tereshkova*. Leonov*. Vertically imperforate at left. Scott No 1630.
AVAILABLE AT $75
BULGARIA (1969) European hake*. Single imperforate horizontally. Scott No 1810, Yvert No 1733.
AVAILABLE AT $40