This tube radio receiver is what we know today is FM. The antique 1923 homemade tube radio receiver is a rare and valuable collector’s item that hails from a bygone era of radio technology. This pre-1930 piece represents a time when radios were handmade and unique, making it a sought-after artifact for enthusiasts of vintage technology. The tube radio receiver is a piece of history that showcases the craftsmanship and innovation of early 20th-century radio enthusiasts, making it a valuable addition to any collection of radios or vintage electronics.