USSR Russia 1924 To the Leningrad Proletariat Affected by the Flood Overprints RARE six-block 2x3 with error Гролетариату instead of Пролетариату MNH

Stamps with the overprint "To the Leningrad Proletariat Affected by the Flood." A six-block with the well-known, popular, and widely cataloged stamp variant of the "To the Groletariat" overprint

Гролетариату instead of Пролетариату

Ideal condition ** MNH