Thematics: hygiene: 1883/1988, part of exhibit on five pages, comprising 13 enti
Thematics: hygiene
1883/1988, part of exhibit on five pages, comprising 13 entires (plus some pieces+stamps), e.g. 1883 special event c.d.s. "BERLIN N.W.40 HYGIENE-AUSTELL.-PLATZ", 1911 c.d.s. "INTERN.HYGIENE-...