Flag of Alberta
For copyright and licensing information:
https://commons.wikimedia.org/wiki/File:Flag_of_Alberta.svg
Additionally,
This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following:
1. it was subject to Crown copyright and was first published more than 50 years ago, or
it was not subject to Crown copyright, and
2. it is a photograph that was created prior to January 1, 1949, or
3. the creator died more than 50 years ago.
This 3.5" x 3.5" square rubber coaster is made of a durable heat-resistant polyester fabric top, backed with a neoprene rubber non-slip backing, keeps things from sliding. The rubber coaster is 1/8" thick. It will not discolor or fade, machine washable.