| Month | Year | Condition | Price | |
 | Nov | 1980 | Very Good | $5.08 |
 | Nov | 1980 | Very Good | $5.08 |
 | Nov | 1980 | Very Good | $5.08 |
 | Dec | 1980 | Very Good | $5.21 |
 | Dec | 1980 | Very Good | $5.21 |
 | Jan | 1981 | Fair | $2.03 |
 | Feb | 1981 | Very Good | $5.02 |
 | Feb | 1981 | Very Good | $5.02 |
 | Feb | 1981 | Very Good | $5.02 |
 | Feb | 1981 | Good | $3.15 |
 | Mar | 1981 | Very Good | $5.24 |
 | Mar | 1981 | Good | $3.10 |
 | Apr | 1981 | Very Good | $5.16 |
 | Apr | 1981 | Good | $3.06 |
 | Apr | 1981 | Good | $3.06 |
 | Apr | 1981 | Very Good | $5.16 |
 | May | 1981 | Good | $3.01 |
 | May | 1981 | Very Good | $5.07 |
 | May | 1981 | Very Good | $5.07 |
 | May | 1981 | Good | $3.01 |