Sound Investment logo 

This logo was designed in 1969 by Canadian designer Michael Lewis Pacey for a company called “Sound Investment”. The agency of record is noted as “Astra Arts”.

It was first published in “Graphica - 3 years of the best in Canadian Advertising” - 1970, 1971. 1972, Penthouse Studios Inc., 1972, p. 407 as “Sound Investment”.

Also published in:

• Kuwayama, Yasaburo. Trade Marks & Symbols, Volume 1 - Alphabetical Designs, Van Nostrand Reinhold Company, New York, 1973, p. 130, no. 1268  as “Stereo Tape & Equipment” 
• Cooper, Al. World of Logotypes, The Trademark Encylopedia, Volume 2, Art Direction Book Company, 1978m, p. S-17, no. 5608 as “Stereo Tape & Equipment, Ltd.” 
• Consuegra, David. ABC of World's Trademarks, Bogota, 1988, p 109 as “Stereo Tape & Equipment, Ltd.”