Martin1933–1942
Only 91 original pre-war D-45s were ever produced, starting with Gene Autry's order in 1933. With Adirondack spruce tops and Brazilian rosewood, originals can sell for $300,000–$500,000+.
Decode Martin serial numbers →Rickenbacker1931–1953
Rickenbacker invented the electric guitar. Adolph Rickenbacker and George Beauchamp created the "Frying Pan" lap steel in 1931 — the world's first commercially produced electric stringed instrument.
Decode Rickenbacker serial numbers →Is your guitar from 1940?
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