1 Kop. "workers" watermarked and hand stamp overprint "Eesti post" in mixed franking with 2 Kop., 3 Kop., 5 Kop., 20 Kop. and 30 Kop. postal stamps with black hand stamp overprint "Eesti post" on centered folded unmailed souvenir card with cancellation "ELVA X EESTI X B 14 VII 41", faultless condition, the Michel-no. 1 Y has an edition from only 50 copies, photo expertize Prof. Dr. Klein BPP: "genuine and immaculate. ", Michel 4.010.-