Markham Blog U. S. Proof Sets Values Markham Numismatics

Markham Numismatics has been a top buyer of Proof sets for over 30 years . If you have a Coin collection which includes please offer us the following proof sets . 1936 Proof Sets up to $6900.001937 Proof Sets up to $3000.001938 Proof Sets up to $1250.001939 Proof Sets up to $ 1200.001940 Proof Sets up to $ 900.001941 Proof Sets up to $900.001942 Proof Sets up to $900.001950 Proof Sets up to $600.001951 Pro [...]