???? Era: c. 1920s–1940s (estimate).
Vintage Black Diamond Banjo/guitar Strings various sizes Loop End Steel
Vintage BLACK DIAMOND 723 Banjo Strings G or 5th (Ball End) Steel 12-pack NOS
Lot Of 3 Vintage Black Diamond Violin Strings National Music Co. Advertising
VINTAGE BLACK DIAMOND STRING, HAWAIIAN GUITAR A OR 5th MONEL WOUND
1971 VINTAGE BLACK DIAMOND 14 x 10 TOM, VIRGIN, 3PLY, BRILLIANT
7 pc Vintage Black Diamond Mandolin Strings, New Stock Steel 755-756-758-759 NOS
