I saw this on the retropie subreddit for the US site, but they are also cheap on the .com.au site with the spend over $59 free shipping deal.

https://www.amazon.com.au/RetroFlag-Raspberry-Improved-Enhanced-Customizable/dp/B0FG2YKDYW/ $42 (only AU$3 more than the US site with shipping costs to add)  is one that I have my eye on, but the whole range is down from the normal price -