Lot 31137 – 1917 1R imperforate with vertical varnish lines sh

1917 1R imperforate with vertical varnish lines showing variety : double background printing in block of 12 and in block of 8 including decorated field (this additionally with shifted centre print), Mi no. 77Bxb €760, Standard 152 var., Liapin 148 var., Soloviev 123 var, Zverev & Gilmanov no.139 var.