Mastro Beatles Instruments Beatles Model Number(s) Title Production Dates 300 Junior Guitar 1964-1967 320 Four Pop Guitar 1964-1967 330 Yeah-Yeah Guitar 1964-1967 340 Beatle-ist Guitar 1964-1967 350 Banjo 1964-1967 360 Beat Bongos 1964-1967 370 Big Beat Bongos 1964-1968 380 Ringo Snare Drum 1964-1969 P-3 Pin-up Guitar (miniature) 1964-1970 Beatles Banjo-UkeFull-size 22′ banjo-uke with perfect pitch. Accurately fretted has engraved position marks. Weatherproof head. Tension rods. Patented tuning keys. Pick and song book. On shrink-wrapped colorful card.