Jul 19 Quiz: How's Your Eye For Detail?

What country/entity issued the stamps with this detail on them?
Two points for the first person to correctly identify it; one point if we need to post an easier version Saturday.

Bulgaria?

Aw,shucks! I thought this letter looking like a face would be tricky, but it sure didn't fool Vayolene. I'm dealing with a pretty sophisticated audience! Bulgaria it is!
Another quiz next Friday
Points so far
19 – NigelC
18 – Stamperix
16 – 22Crows
14 –51studebaker, MaJu
13 – Johan Buvelot
12 – StamperMA
7-- Jogil
5 – Lithograving
4 – Angore, Blaamand, Partime, Pnjstamps, Rogdcam, Vayolene
3 - Rob Roy
2 – Glenn Estus, ModernStamps, SCB, SforgCa, Tgswanner, Willwood42, Yeapolska
1 – Florian
in search of the Grand High Most Excellent and Most Beloved and Fervently Envied Master of Postal Detail in Our Solar System.