My collection: Bulgaria
Bulgaria pick 82a: 5 Leva from 1951
1951. Blue and green. Arms at left center. Back: Upright hands holding hammer and sickle. Watermark: BNB with hammer and sickle.
Bulgaria pick 84a: 25 Leva from 1951
1951. Gray blue on multicolor underprint. Railroad construction at center. Back: G. Dimitrov at left, arms at right. Watermark: BNB with hammer and sickle.