NIGERIA (1986) Crocodile* Imperforate pair. Scott No 485, Yvert No 477.
AVAILABLE AT $20
NIGERIA (1992) Anatomy of heart*. Blood pressure machine*.Anatomy of chest cavity*. Set of 4 imperforate pairs. World Health Day. Scott Nos 594-7, Yvert Nos 604-7.
AVAILABLE AT $60
NIGERIA (1992) Anatomy of heart*. Blood pressure machine*.Anatomy of chest cavity*. Imperforate M/S of 4. Scott No 597a, Yvert No BF11.
AVAILABLE AT $25
NIGERIA (1993) Bulbophyllum distans*. Imperforate pair. Scott No 624, Yvert No 616.
AVAILABLE AT $60
NIGERIA (1993) Eulophia cristata*. Imperforate pair. Scott No 625, Yvert No 617.
AVAILABLE AT $60
NIGERIA (1993) Eulophia horsfalli*. Imperforate pair. Scott No 626, Yvert No 618.
AVAILABLE AT $60
NIGERIA (1993) Eulophia quartininiana*. Imperforate pair. Scott No 627, Yvert No 619.
AVAILABLE AT $60