This is a lot of 15 Republique Du Burundi Stamps.
These are from the mid-1960s. 10 of these stamps commemorate the Olympic games - 5 the 1964 Winter Olymics in Innsbruck, Austria and 5 the 1964 Summer Olympics in Tokyo, Japan. 2 celebrate Burundi's independence, and 3 commemorate the year of international cooperation (1965).
They come in good Mint Never Hinged (MNH) Very Fine (VF) condition, in a double-sided display sheet.