Lot 31138 – 1917 1R imperforate with vertical varnish lines sh

1917 1R imperforate with vertical varnish lines showing variety : missing orange and dark brown printing, leaving only the light brown background printing in vertical strip of 5 + decorated field at bottom, scarce, Mi no. 77Bxb, Standard 152, Liapin 148 var., Soloviev 123 var, Zverev & Gilmanov no.139 var.