This is a registered cover from Bolivia with an excellent postmark. Both stamps are coming from a 2007 issue.
Glittering-bellied Emerald (Chlorostilbon lucidus): This hummingbird can be found in South American countries.
Blue-crowned Motmot (Momotus momota): It can be found in forests in Central and South America. It eats insects, small lizards and fruits.
WORLD STAMP EXHIBITION 2017 - [image: No automatic alt text available.]
10 hours ago