Month Dollars Per Pound 1937-01-01 2.99000 1937-02-01 2.99000 1937-03-01 2.99000 1937-04-01 2.99000 1937-05-01 2.99000 1937-06-01 2.99000 1937-07-01 2.99000 1937-08-01 2.99000 1937-09-01 2.99000 1937-10-01 2.99000 1937-11-01 2.99000 1937-12-01 2.99000 1938-01-01 2.99000 1938-02-01 2.99000 1938-03-01 2.99000 1938-04-01 2.99000 1938-05-01 2.99000 1938-06-01 2.94000 1938-07-01 2.89000 1938-08-01 2.89000 1938-09-01 2.89000 1938-10-01 2.89000 1938-11-01 2.79000 1938-12-01 2.92000 1939-01-01 2.95000 1939-02-01 2.99000 1939-03-01 2.99000 1939-04-01 3.04000 1939-05-01 3.14000 1939-06-01 3.14000 1939-07-01 3.14000 1939-08-01 3.14000 1939-09-01 3.18000 1939-10-01 3.33000 1939-11-01 3.33000 1939-12-01 3.33000