I found this under my house a few years ago and I’m hoping someone could help identify it
Thank you for the better photo. I can see a reaction arm on the left chainstay by the rear axle, suggesting this has either a coaster rear brake or some kind of hand operated drum brake.
We can also clearly read LEADER SPECIAL written on the downtube.
This seems to be a New Zealand brand, also sold in Australia. Bill Pratney was a successful cash rider on Leader bikes. Manufacturer was Clark Cycles in Auckland, New Zealand.
From https://www.classicrendezvous.com/New_Zealand/Clarkes.html This dates to between 1925 and 1955 and mentions Leader as a brand.
Leader still exists as a brand, but its been sold off repeatedly and has no connection with the original Australian company. https://www.leaderbikesusa.com/