It might be? https://www.coincuriosity.com/austr...agazine.html has references to a few articles by Neal Effendi & Fred Lever on the topic of figuring out which is which but the magazines may be a bit hard to come by now. From memory there were some die markers to check for though.
https://www.triton.vg/P20.html is a good reference for checking if you have any of the other types though. At a glance I'd say yours is a either a no dot or maybe a dot below bottom scroll with filled dot but I don't remember the nuances of where the curved based letters may or may not appear.
https://www.triton.vg/P20.html is a good reference for checking if you have any of the other types though. At a glance I'd say yours is a either a no dot or maybe a dot below bottom scroll with filled dot but I don't remember the nuances of where the curved based letters may or may not appear.























