10 Kopeks to 50 Kopeks "Workers", each with hand-stamped "Eesti Post" overprint, horizontal pairs of the five values on a blank card with cancellation "ELVA -B- 13 VII 41", flawless condition, edition only 400 copies each or the value of 50 Kopeks 200 copies, photo certificate Prof. Dr. Udo E. Klein BPP "The overall condition is impeccable.", Michel 3. 060.-