It's about 30 years old and the lady I bought it from bought it brand new that some 30 years ago but can no longer remember the brand name or where she bought it from. Though she asks if I find out to please tell her LOL
I've found a saddle on a Australian website that had the same mark and similar design (though not the same unique cantle) and it was obvious that it was made by the same family or person.
Any and all help would be greatly appreciated!
The unique cantle: