RRU12 Sc.No. 1N12 1916 : Germania - Overprint 'Postgebiet Ob.Ost' - 1 Mk. Only available in set ! In the same set : RRU01 RRU02 RRU03 RRU04 RRU05 RRU06 RRU07 RRU08 RRU09 RRU10 RRU11 RRU12 The complete set : RRU01-12 65,00 € 25,00 €