6 Pes. 25 cts. Thin overprint type I on 5 Mark in perfect condition unused with the very rare plate flaw "dot in the "I" of imperial post", photo expertize Dr. Friedrich F. Steuer VÖB: "has an authentic "thin" overprint. . . Is unused and has a treated gum with a hinge trace under the upper margin. " already the scarce "normal 19 I / II appraises 2.000.- - with the plate flaw surely extremely rare and perhaps unique.