30 Kop. Horizontal pair of se-tenants the special stamps \"Tajik SSR\" and \"Kyrgyz SSR\" always with two-line hand stamp overprint \"Eesti post\" in type II, tied by date-appropriate stamp ELVA B 9. VIII. 41 on lover letter piece, expertized Nemvalz, U. S. (Uno Saidla) as well photo expertize Prof. Dr. Klein BPP: \"the condition is perfect. It is a matter to former state of knowledge an unique piece. \" and expertise Thilo Nagler VP (2021) : \"genuine and immaculate. It is the only me known piece of this kind. \", Michel 25.000.- - with this rarity is an unique, the catalogue value by Michel becomes the rarity not just and is of the valuation similar pieces far-flung!