Bulgaria post jointly with Cuba issued a set of stamps to mark the 50th anniversary of their diplomatic relations.
The stamp are:-
0.65 Leva – Havana Cathedral San Cristobal
1.40 Leva – Sofia Cathedral St. Alexander Nevski
Title: 50th anniversary of the diplomatic relations Bulgaria-Cuba
Date of Issue: 10 December 2010
Denominations: 0.65 Leva, 1.40 Leva