|1966: 'Spring' National Folklore (Design - Neva and Nikola Tuzsuzova)|
|1940-42: Definitive - Farming (Design - A. Anev)|
|1958: Savings Campaign (Design - S Legrady)|
|2015: Bees (Design - Anna Ekelund)|
|1977-8: Definitive - Insects on Flowers|
|2018: Reintroduced Species (Design - Godfrey; Illustrator - Tanya Lock)|
Sunday Stamps II prompt this week is the Letter B - here for Bulgaria, bees, beehive and butterflies - See It On A Postcard.