Lot no. 6041

5-15 k. black on ordinary paper, each as pairs within a horizontal strip divided by gutters between the different denominations, without gum, folded in the gutters and small tear in right gutter, otherwise very fine, a unique and spectacular item Reference: “Lettland - Die Briefmarken in Rubel-Währung 1918-22”, Harry v. Hofmann Verlag (1998)