unmounted mint 1900 (9 May) First Tsingtau Provisional on diagonal overprint "5 Pfg." on 10pf. with violet crayon line, unmounted mint, also "5 Pfg." on 10pf. with blue crayon line from the top of the sheet, unmounted mint (mounted in margin, some gum creasing). M. 1I, 1Ib, DM. 1900. Photo