Lot 10191 – 20m Blue, major downward perf shift, great group i

20m Blue, major downward perf shift, great group incl mint tab block (cert. Tsachor), also two pairs and block of 6 (not shifted as far), nearly all nh, pls two covers with same, first with add’l 5m and sent reg’d within Tel Aviv, second with pair tied at Jerusalem (backflap missing), would make a stunning exhibit page, very fine overall