LUKOYANOV (NIZHNY NOVGOROD): 1920, "P" black handstamp overprint on 1k. horizontal pair, 2k., 3k., 5k. 7 k., all used, and 4 k. unused; 1 k. a few trimmed perfs, 3 k. one short perf and minor toning, otherwise very fine. An exceptional group, all illustrated in Geyfman and mentioned as moderately questionable, sign. and certificates Ceresa (2014) (Geyfman 2-7)
