RUSSIA 1928. Mi. 356U unperforated

Here a uncommon russian (USSR) mint stamp aka Cavalryman. Its a unperforated MNH OG. Stamp was sold for exactly US $1,000.00.

Item description:

RUSSIA 1928. Mi. 356U IMPERFORATED! MNH OG.
Super best condition. Very rarely. High cat. val. Unchecked. See pictures.