Poland, Republic. A Lot of Seven Polish Air Force (Siły Powietrzne) Badges Republic of His father Leonard Lorenz was

His father Leonard Lorenz was professor of mathematics in Helsingfors from 1857 to 1874

stating that he had four years and nine months' previous service with the 7th Infantry Battalion

1918 - in die stamped silvered tombac

the buckram stiffener usually found on reverse is missing

The interior features a complete field-grey liner constructed of captured Italian herringbone cloth

Poland, Republic. A Lot of Seven Polish Air Force (Siły Powietrzne) Badges Republic of His father Leonard Lorenz wasIncludes: 1. Pilot Badge: in silvered bronze, maker marked "J,R. GAUNT & SON Ltd LONDON" on the reverse, measuring 64. 8 mm (w) x 39. 5 mm (h), suspended from two integral loops and an adjoining chain, with intact screwpost. 2. Pilot Badge: in silvered metal and incorporating a gilt wreath, measuring 61. 7 mm (w) x 38 mm (h), suspended from two integral loops and an adjoining chain and pin, maker marked "J. PANASIUK W wa" on the screwback. 3. Pilot