The idea was simplified when at the outbreak of the second world war, Denmark found itself without 1 øre pieces. The frames were replaced by a simple cellophane wrap. The ads are widely different, from banks (like this one), radios and suits to newspapers, stamp shops and quite a few brands of rye bread. By contrast, colours were restricted to black, purplish blue, green, dark red, orange and yellow. This is coloured money that did circulate.
Peter