1840 Martin & Coupa Guitar (High Grade)
C. F. Martin Sr. formed a business agreement with John B. Coupa in early 1840 that gave Coupa the sale agency for […]
Tag: Martin & Coupa
1846-1848 Martin & Coupa Guitar
The Martin & Coupa had business relationship from early 1840 until John Coupa’s death on May 18, 1850. The business did not […]