| Month | Year | Condition | Price | |
 | Sep | 1963 | Fair | $8.05 |
 | Jun | 1964 | Very Good | $24.82 |
 | Nov | 1964 | Fair | $10.02 |
 | Dec | 1964 | Good | $12.26 |
 | Mar | 1966 | Fair | $6.43 |
 | Jun | 1966 | Good | $7.97 |
 | Aug | 1966 | Fair | $5.08 |
 | Nov | 1966 | Fair | $4.68 |
 | Apr | 1967 | Fair | $4.39 |
 | Dec | 1967 | Good | $16.11 |
 | Jan | 1968 | Fair | $15.57 |
 | Jul | 1968 | Very Good | $10.85 |
 | Aug | 1968 | Good | $5.30 |
 | Jan | 1969 | Good | $20.19 |
 | Feb | 1969 | Fair | $14.68 |
 | Mar | 1969 | Fair | $13.97 |
 | Apr | 1969 | Fair | $13.96 |
 | May | 1969 | Fair | $13.24 |
 | Jun | 1969 | Fair | $12.44 |
 | Sep | 1969 | Fair | $11.02 |