According to photographer Ola Lager, the photograph on the front of the glamorous sleeve was taken a couple of roads away from Polar Music offices at Baldersgatan.
The exact location will be revealed in the upcoming book (April 2010) by Sara Russell, owner of the rather brilliant site ABBA on TV.
The back cover photo was made in Stockholm's Castle Hotel, where the group posed elegantly in the hotel lobby.
An enlargement of the front cover has been used as cover for the Dutch SOS single.
Subscribe to the ABBA Plaza mail service and receive site update notifications by e-mail.