Radio South advertising card with sound

When this card is opened up, it activates an audio message. Sadly, its voice can no longer be heard. Radio South broadcast to the south eastern region of England. The pitch is that the radio station attracted a greater proportion of affluent people than the local television station.

Details

Size Size when folded 200 x 200mm.
Date Probably circa 1980s.
Organisations
Key Phrases ,
Category ,
Ref no N2556