RAF patents. Comprising a Navigator patent, very fine curved workmanship, back of coin lined with black coloured paper. A Signaller's patent, very fine workmanship, back lined with black paper. A Meteorologist patent, fine curved workmanship, back lined with khaki fabric. An Air Electronics patent, nicely domed, back lined with black cotton fabric. Slight wear and patina. Condition II+. RAF brevet group. Comprising a navigator brevet with fine padded construction and black paper backing; a signaller brevet with black paper backing; a meteorologist brevet with khaki cloth backing; and an air electronics brevet with black cotton backing. Slight wear and patina. Condition II+.