mine: Russia
Russia pick 12a: 25 Rubles from 1909
(1909-1912). Black on red and blue underprint. Back: Black on red and green underprint. Alexander III at right. Watermark: Value.
Russia pick 233a: 10 Rubles from 1961
1961. Red-brown on pale gold underprint. Arms at upper left, portrait of V. I. Lenin at right. Watermark: Stars. Four serial number varieties: prefix has two large Cyrillic letters, first large and second small, first small and second large, and two small Cyrillic letters.