Awards!
Silver, gold, platinum discs. Award for best popgroup, best vocal group, best dancers, best singers, best bum, best beard, best pytt-i-panna recipe, best .... you name it ABBA got it.
golden Ampex-reel 1980
golden/platinum (hard to tell since it's black and white picture) in Norway
something in Spain 1979
gold in Denmark 1975