1923-29, ''Dongostabfabrika'' (Don State Tobacco Factory), two labels representing pictures of different tobacco packs, each one with definitive stamp affixed over, postally used, the last one with shallow thin spot, otherwise VF (Image)

1924, registered cover from Ganja (then Elisabethpol) to Tiflis, horizontal pair of ''Dongostabfabrika'' labels on reverse, each one with peasant 6k blue affixed over, appropriate markings and arrival ds, cover was opened roughly and with some flaws, still F/VF and very rare pair on cover (Image)