Here are a few interesting and/or related links. An online register of dress with an Australian provenance pre-1975.  Part of a history resource. This page shows a convict button and explains its history.   A history of the company.   A history of the Semco company.   A site to buy and learn out thimbles from Australia and elsewhere.  Also some other sewing collectibles.   A fellow collector’s blog.   Website of the Victorian Button Collectors Club.  Meets monthly in Burwood East.     Website of the National Library of Australia.    Website of the National Archives of Australia. A wonderful resource.