BURUNDI (1964) Impala*. Variety with color black missing, thus lacking value and name of country. Scott No 73, Yvert No 80.
AVAILABLE AT $25
BURUNDI (1964) Impala*. Corner block of 4 (canceled) missing value. Scott No 73, Yvert No 80.
AVAILABLE AT $75
EQUATORIAL GUINEA (1974) Lechwe Kob*. Color red drastically shifted, resulting in a double image. Endangered species set, printed in sheets of 15. Only 22 sheets with this error exist! Scott No 74192, Yvert No 53-4. Rare!
AVAILABLE AT $20
EQUATORIAL GUINEA (1974c) Berrendo*. Color red drastically shifted, resulting in a double image. Endangered species set, printed in sheets of 15. Only 22 sheets with this error exist! Scott No 74198, Yvert No 53-10. Rare!
AVAILABLE AT $20
CUBA (2019) Tibetan antelope or chiru (Pantholops hodgsonii)*. Block of 4 with color shift resulting in double image.
AVAILABLE AT $100
CONGO (1960) Impalas*. Block of 4 with overprint in black instead of red. Scott No 350.
AVAILABLE AT $40
CONGO (1960) Impalas*. Variety with inverted overprint. Scott No 350.
AVAILABLE AT $15