Serial number 44061 was stamped on September 19, 1930 and cleared final inspection October 27 that year.
The original tuners would have been Grover #89 Deluxe banjo pegs. The tuners currently on the guitar are Waverly 5038 "Yoda head" machines that were used between 1940 and 1948.
The decal was probably applied to the head stock when repairs were made by Martin, probably including the change from Grover banjo tuners to the Waverly 5038 machines.
Style 28 features:
Back and sides: Brazilian rosewood
Top: Red spruce (Adirondack)
Binding: White ivoroid
Back stripe: Zig-zag pattern
Other period features:
Ebony belly bridge
Ebony neck reinforcement
Nickel silver bar frets
1-3/4" neck width at nut
Small tortoiseshell celluloid pick guard
Slotted diamond and square fingerboard inlays
C. F. Martin stamp on back of head stock
Decal on front of head stock (due to repair)
No style stamp
Photos courtesy of Bob Zaidman