1931 15k Tambov (Tulinovka) Local Issue, Russia USSR (Mint stamp UNRECORDED, Two Certificates, Rare, Signed) Local issues of Tambov (also Tulinovka suggested as the city of issue). Mint stamps are UNRECORDED according to catalogs. Extremely rare. Certificates of L. Hovest and J. P. Kalkstein. Mi. 1, Yvert. 459A. (Image)