CAMBODIA (1954) Arms of Cambodia*. Sepia printer's proof. Scott No 26. Only 3-4 exist.
AVAILABLE AT $200
CAMBODIA (1994) Sikorski*. "Ilya Mourometz" 4-engine bomber*. Imperforate proof with guidelines printed on ungummed paper. Scott No 1396, Yvert No BF112.
AVAILABLE AT $25