#4203-4206 Bulgaria - Builders of the Bulgarian State (MNH)
2001 Builders of the Bulgarian State, Set of 4. Designs: 10s, Ancient Bulgarian calendar. 25s, Khan Kubrat (632-51) and Asparukh (681-700). 30s, Khan Krum (803-14) and Omurtag (814-31). 65s, King Boris I (852-89) and Tsar Simeon I (893-927).