It is Russian. The Cyrillic "K" indicates 1956 production and that's why it's in the older WW II-type packaging.
The white residue is from oxidization of the galvanized containers.
It is Russian. The Cyrillic "K" indicates 1956 production and that's why it's in the older WW II-type packaging.
The white residue is from oxidization of the galvanized containers.