REPUBLIC OF CHINA (TAIWAN) on 16 September 1957 issued a set of three First Day Cover stamps marking the 30th Anniversary of Broadcast Service. The stamp remained in circulation on 1 August 1962, The printer was China Engraving & Printing Works, R.O.C. The designer was Chen Chao-erh. Photographer/engraver was Pao Liang-yu, Creative Director. Colour print process method was Intaglio, using 80 weight, wood-free printing paper. The dimension of stamps measured (mm) 37 x 29. the back of the stamp was gumless with 12 perforations. Postmark cancellation originated from Kaosiung.
Broadcasting as a business in the Republic of China began with the establishment by the Ministry of Communications of the Tientsin Broadcast Station at Tientsin, Hopei on 1 May 1927. From that date on various state-run and privately-owned broadcast stations have emerged throughout the country.
In commemoration of its 30th anniversary and in appreciation of its splendid service to the society, a set of three commemorative stamps was issued. The stamps show, in the central design, a globe, a broadcasting tower and a microphone. In the background are radio waves reaching from Taiwan to every part of the world.
Source; Taiwan Post