2 Pfg to 1 Mark Germania with overprint "Sarre" in type I or II, set in blocks of four, in perfect condition mint never hinged, following types are contained: 1 I, 2 aI, 3 I, 4 bI, 5 aI, 6 aI, 7 aI, 8 I, 9 aI, 10 xI, 11 I, 12 bI, 13 xaII, 14 bI (in the photo expertize based wrongly 14 aI), 15 I, 16 I, 17 IA - as well various overprint error respectively upper margin copies (not consider), expertized Dr. Dub, J. B, Burger BPP and photo expertize brown BPP (2016) : "the quality is perfect. ", Michel at least 3.400.- - rare in the complete set as block of four offered!