On 1 May 1900, Kiautschou issued its first postage stamps, these overprints of German offices in China MiNr. 3 I (45° overprint) & 3 II (56° overprint). The stamps feature a new denomination (5 Pfg.) overprinted, and a blue line attempting to obscure the original denomination.
The stamps were overprinted at the Missiondruckerei Tsingtau (Tsingtau Missionary Printers), and due to a lack of typesetting pieces, each half-sheet of 50 (10×5) was assembled using multiple type styles. Twelve different printing types occur on each half-sheet of 50, three main types — Type 1 (x17), Type 2 (x20), & Type 3 (x4) — and nine subtypes (x1 each):