New Maxart:

This may date from the 1950s as during this era the dry-cleaning issue was  a marketing issue.

Carol’s new koala:

Seen online:

This style buckle first appeared on Beauclaire branded cards from the early 1950s. This Beutron card is from the 1970s.

Make your own buttons and buckles:

From the Queensland Times, 22nd February 1937: