Potrebbe essere uno stencil Martin .......

Martin Stencil:
•Abbott Premier
•American Artist
•American Perfection
•American Professional
•Beaufort American
•Bruno
•Commander
•Champion
•Colonial
•Concertone
•Couturier
•Dick Stabile
•Dorn & Kirschner
•Gary
•Gold Star
•Harmony
•Honercomb
•Horace
•Indiana Band Instrument Company
•Kingston
•Knickerbocker
•Lyon & Healy
•Lyric
•Manhattan
•Melody Master
•Oliver Ditson
•Pedler
•Perfacktone
•Reynolds
•Sherwood
•Standard Artists
•Supertone
•Symphony
•Tempertone
•Wurlitzer
•Vega