77/1925 [Philips]. "6th/ 8th/ 10th European Philips Contest for young Scientists and Inventors." Four embossed commemorative brass medallions for the contests of 1974 (2 copies), 1976 and 1978, all Ø 4,7 cm., embossed on recto and verso. - AND 1 gilt metal medallion for the "Tour d'Iran Car Rally May 1970" (Ø 5 cm.). - AND 4 publications concerning/ by N.V. PHILIPS' GLOEILAMPENFABRIEKEN, i.a. "Das war 1979" (LP in orig. gatefold sleeve with attached booklet, with very early mention of the Compact Disc and predicting its future success).