The Case Cheetah knife, or 11 1/2″ pattern, has been around since the pre – 1920 W.R. Case & Sons, Bradford, PA days and is highly sought after by collectors. The Cheetah name was first used around 1970. Most measure 4 3/8″ closed and feature a swing guard and a lock for the single clip point blade.

The swing guard was added to the Case Cheetah knife during the Tested XX era. Handle materials feature genuine stag, bone and the rare green bone as well. Check out my vintage Case XX knives page. I appreciate any traffic from these links as I earn a commission when an item is purchased, at no extra cost to you.
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1975 (5 Dot) Case XX 6111 1/2 L Brown Bone CHEETAH Knife RARE
![]() | $229.99 End Date: Friday Jul-11-2025 20:55:19 EDT Buy It on eBay for only: $229.99 Buy It Now on eBay |
VTG 1980 CASE 6111-1/2L BONE CHEETAH LOCKBACK MINT POCKET KNIFE CASE BOX & WRAP
![]() | $183.50 (19 bids) End Date: Thursday Jul-17-2025 21:00:01 EDT Bid |
Case xx Stag Cheetah!
![]() | $242.50 (39 bids) End Date: Sunday Jul-13-2025 21:45:33 EDT Bid |
CASE XX 511 1/2 1ST RUN CHEETAH CUB!! SWING GUARD STAG. RARE 1ST RUN!!
![]() | $505.00 Buy It on eBay for only: $505.00 Buy It Now on eBay |
VINTAGE 1976 CASE # 5111-1/2L SSP STAG CHEETAH LOCKBACK NMINT POCKET KNIFE & BOX
![]() | $201.50 (14 bids) End Date: Sunday Jul-13-2025 21:00:01 EDT Bid |
1970 CASE XX/10 DOT (#6111-1/2L) RED BONE "CHEETAH" POCKET KNIFE- MINTY/RARE!!
![]() | $999.99 End Date: Tuesday Jul-15-2025 21:41:00 EDT Buy It on eBay for only: $999.99 Buy It Now on eBay |
Case XX 6111 1/2L SS Cheetah Folding Knife-2003-Red Bone-USA-Unused-eb
![]() | $265.00 Buy It on eBay for only: $265.00 Buy It Now on eBay |
Case XX USA 1965-69 Red Bone Cheetah 6111 1/2 Unused
![]() | $499.99 End Date: Wednesday Jul-16-2025 21:18:57 EDT Buy It on eBay for only: $499.99 Buy It Now on eBay |
Case XX USA 1889-1989 Centennial 5111 1/2 Stag Cheetah Knife
![]() | $350.00 Buy It on eBay for only: $350.00 Buy It Now on eBay |
Case XX USA 5 Dot 1975 6111 ½ L "Cheetah" Folding Guard Lockback Knife Dark Bone
![]() | $299.95 Buy It on eBay for only: $299.95 Buy It Now on eBay |
VINTAGE CASE XX 5111 1/2L STAG CHEETAH KNIFE FROM BLUE SCROLL SET - GREAT STAG
![]() | $330.00 (35 bids) End Date: Saturday Jul-12-2025 11:42:54 EDT Bid |
Case XX stag handle Cheetah Model 6111 1/2 L SS. “MINT IN BOX”. Item# 05211
![]() | $375.00 Buy It on eBay for only: $375.00 Buy It Now on eBay |
Vintage 2020 Case XX USA 4-Dot 5111-1/2 50th Anniversary Cheetah Knife New
![]() | $399.99 Buy It on eBay for only: $399.99 Buy It Now on eBay |
Case XX 6111 1/2L SS Cheetah Folding Knife-2002-Red Bone-USA-Unused-eb
![]() | $265.00 Buy It on eBay for only: $265.00 Buy It Now on eBay |
Case Classic 6111 1/2L Cheetah 1996 Tan Bone BM Shield 1 of 36
![]() | $340.00 End Date: Monday Jul-14-2025 11:51:05 EDT Buy It on eBay for only: $340.00 Buy It Now on eBay |
Case XX 6111 1/2L SS Cheetah Folding Knife-2003-Red Bone-USA-Unused-eb
![]() | $265.00 Buy It on eBay for only: $265.00 Buy It Now on eBay |
Case XX Cheetah 1977 3 Dot Folding Pocketknife 6111 1/2
![]() | $274.99 Buy It on eBay for only: $274.99 Buy It Now on eBay |
Case XX 6111 1/2L SS Cheetah Folding Knife-2003-Red Bone-USA-Unused-eb
![]() | $265.00 Buy It on eBay for only: $265.00 Buy It Now on eBay |
RARE VINTAGE 1973 CASE XX BONE CHEETAH LOCKBACK KNIFE 6111 1/2 L
![]() | $349.95 Buy It on eBay for only: $349.95 Buy It Now on eBay |
Case XX 6111 1/2L SS Cheetah Folding Knife-2003-Red Bone-USA-Unused-eb
![]() | $265.00 Buy It on eBay for only: $265.00 Buy It Now on eBay |