Liberation of Leningrad Issue. 1944, 30k greenish black, 13 souvenir sheets of four, representing various types and shifts of the text, mint and CTO sheets with double impression of the text (one printing is albino), occasional gum waves possible, full OG, mainly NH, VF and an attractive unit (Image)

Liberation of Leningrad Issue. 1944, 30k greenish black, souvenir sheet of four with inverted text variety, nice quality, full OG, very light traces of hinge, VF and very rare, N. Mandrovski certificate (Image)

Liberation of Leningrad Issue. 1944, 30k greenish black, souvenir sheet of four with double text variety, some paper wrinkles, unused, expertly regummed, VF appearance, N. Mandrovski certificate (Image)

Liberation of Leningrad Issue. 1944, 30k greenish black, souvenir sheet of four with text dramatically shifted to the bottom, resulting in top part of the text placed over top stamps, natural pre-printing paper fold, full OG, NH, VF and scarce (Image)

Liberation of Leningrad Issue. 1944, 30k greenish black, souvenir sheet of four with text strongly shifted to the bottom and turned clockwise, a flawless item, full OG, NH, VF and scarce (Image)