1898, black diagonal overprint ''Marschall-Inseln'' on Eagle 25pf yellow orange and 50pf red brown, so-called ''Berliner Urdruck'' issue, set of two bottom sheet margin singles, premium condition, full OG, NH, VF, expertized by H. Bothe, M. Jaschke-Lantelme certificate, C.v. $950, which doesn't look adequate for not officially issued stamps, Mi #5 IU-6 IU, C.v. €3,000, Est. $900-$1,200 (Image)