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Case XX 2220, 3220, 5220, 6220, V5220, SR6220 Peanut knife price guide
Be sure to check out the W.R. Case pocket knives up for sale in the AAPK member store when you get finished with the knife value guides!
| Year | Pattern Number | Handle Description | Other Discerning Features | Estimated Market Value |
| 5120 R SSP | Genuine Stag | Shield | $85.00 | |
| 5120 R SSP | Genuine Stag | No Shield | $75.00 | |
| 1940 - 1964 | 2220 | black composite | no | $118.00 |
| 1940 - 1964 | 3220 | yellow composite | no | $72.93 |
| 1940 - 1964 | 5220 | genuine stag | no | $136.00 |
| 1940 - 1964 | 9220 | cracked ice | no | $123.50 |
| 1965 - 1969 | 3220 | yellow composite | no | $46.00 |
| 1965 - 1969 | 5220 | genuine stag | no | $124.00 |
| 1965 - 1969 | 6220 | bone | no | $62.00 |
| 1965 - 1969 | 6220 | red bone | no | $73.00 |
| 1970 | 5220 | genuine stag | no | $123.00 |
| 1978 | 5120 R | genuine stag | no | $61.00 |
| 1978 | 5220 SSP | genuine stag | red letter | $67.00 |
| 1978 | sr6220 | smooth rose bone | no shield | $42.00 |
| 1979 | 6220 | delrin | with paper | $36.00 |
| 1979 | SR6220 | smooth rose bone | no shield | $38.00 |
| 1980 | SR6220 | smooth rose bone | no shield | $46.00 |
| 1988 | 5220 | genuine stag | with box | $76.00 |
| 1989 | 5120 D | genuine stag | damascus blade | $82.00 |
| 1996 | R5120 SS | red stag | 1996 SWAP MEET Etch | $70.00 |
| 1997 | 6420 SS | bone | big nut | $57.21 |
| 1998 | 5220 | midnight stag | no | $56.00 |
| 1998 | 6220 | purple appaloosa | with box | $75.00 |
| 1998 | 6320 SS | bone | scout shield | $56.00 |
| 1998 | V5220 | vintage stag | barehead | $80.61 |
| 1999 | 5220 SS | genuine stag | with box | $48.00 |
| 2000 | V5220 SS | genuine stag | barehead with box | $52.00 |
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