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.
HiFi: The Willsenton R8 Integrated Tube Amplifier is a NO BRAINER BUY.
How Music Created Silicon Valley - by Ted Gioia
8 Transistor TR-84 Radio Sony Corporation; Tokyo, build
radiojayallen Jay's Radio Reviews, Comparisons & Restorations
Radio receiver - Wikipedia
Pocket radio hi-res stock photography and images - Alamy
Favorite vintage audio equipment? - Page 2
Vintage Sony Radio » ISO50 Blog – The Blog of Scott Hansen (Tycho / ISO50)
File:Vintage Sony Transistor Radio, Model 3R-68, AM Band, 8 Transistors, Slide Rule Tuning, Black Case, Measures 1-1 8 W x 4 H x 2-5 8 Inches Deep, Weighs 7.4 Ounces, Made In Japan, Circa 1971 (32579217878).jpg - Wikimedia Commons
BC-R60 AM FM Radio Portable Pocket Radio Telescopic Antenna Mini Radio Music Player Built-in Speaker for House & Outdoor - AliExpress
Transistor Radios Around the World
Vintage Transistor Radios
Vintage Sony Transistor Radio, Model TR-818, AM Band
A Brief History of The Walkman - TIME
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