GERMANY (Berlin) (1986) Ancient and modern mechanics*. MUSTER (Specimen) overprint. Scott No 9NB235, Yvert No 716.
AVAILABLE AT $20
GERMANY (BERLIN) (1987) Stonemason*. Surtax for youth organizations overprinted "MUSTER" (specimen). Scott No 9NB246, Yvert No 742. Nice!
AVAILABLE AT $15
GERMANY (BERLIN) (1987) Painter*. Varnisher*. Surtax for youth organizations overprinted "MUSTER" (specimen). Scott No 9NB248, Yvert No 744. Nice!
AVAILABLE AT $15
JAPAN (1985) Patent system*. Centenary issue overprinted MIHON (specimen). Scott No 1645, Yvert No 1528.
AVAILABLE AT $12