This transistor radio was made in black, gray, beige, cream or green plastic. The earliest newspaper ads I could find for this radio date to 1960.
USED VINTAGE AM FM CAR RADIOS
USED VINTAGE AM FM CAR RADIOS
Vintage Sony Transistor Radio, Model 3R-68, AM Band, 8 Transistors, Slide Rule Tuning, White Case, Measures 1-1/8 W x 4 H x 2-5/8 Inches Deep, Weighs 7.4 Ounces…
File:Vintage Sony 8-Transistor Radio, Model TR-818, Made in Japan, Circa 1963 (9346831548).jpg - Wikimedia Commons
Vintage Sony Transistor Radio, Model TR-84, AM Band, 8 Tra…
What is your favorite vintage stereo receiver? - Quora
Vintage Sony TR-84 Super Sensitivity 8 Transistor Radio - 1959 era Sony, Japan
Vintage Sony Transistor Radio In Leather Carrying Case, Model TR-818, AM Band, 8 Transistors, Made in Japan, Circa 1962
Tested - works great, with case in near mint condition , please see photos , a few minor scratches on the front metal panel , Takes 3 'C' batteries
Mint Vintage 1959 Sony TR-84 Super Sensitive 8 Transistor Radio