The 72 pattern is the largest Case folding pattern there is at 5 1/2″ closed. Most collectors are familiar with the stag handled “Bulldog” 5172 pattern of the 1960s but it was first introduced in the 1920-40 Tested era in green bone, celluloid, genuine stag and other materials. The ultra rare “Cases’s Zipper” switchblade knife was a 5172 pattern as well. The aforementioned Bulldog issue features the Bulldog etch on the front of the blade and will say “Hand made in the USA” as well.

Most of these knives were issued with a walnut presentation box with felt inside and were produced in the mid to late 1960s. In addition, the 5172 with stag handles was made for the 1976 and 1977 Case Collectors stag sets. A version with wooden handles (P172) called the Buffalo was also issued in the 1970s. See some of these knives below. I appreciate any traffic from these links as I earn a commission when an item is purchased, at no extra cost to you. THANK YOU!!! – Jesse, oldpocketknives.com
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RARE VINTAGE '65-69 CASE XX 5172 STAG BULLDOG FOLDING HUNTER BOWIE KNIFE GRIZZLY
![]() | $600.00 Buy It on eBay for only: $600.00 Buy It Now on eBay |
Vintage '65-69 CASE XX BULLDOG! 5172 STAG scales !Estate sale!
![]() | $275.00 (15 bids) End Date: Tuesday Jul-15-2025 23:45:46 EDT Bid |
VINTAGE 1977 BLUE SCROLL CASE PATTERN # 5172 SSP STAG BULLDOG NMINT POCKET KNIFE
![]() | $202.50 (13 bids) End Date: Monday Jul-21-2025 21:00:01 EDT Bid |
Case XX P172 BUFFALO 6 Dot 1974 USA Pakkawood Hdl Folding Clasp Knife Walnut Box
![]() | $209.00 Buy It on eBay for only: $209.00 Buy It Now on eBay |
Vintage Case XX USA P172 Beautiful Buffalo Knife with Wooden Box 1976 Unused
![]() | $150.00 (23 bids) End Date: Thursday Jul-17-2025 21:00:01 EDT Bid |
Case 5172 Bulldog/Clasp knife- Classic NARLEY SAMBAR STAG- 1965/1969 - w/Coffin
![]() | $357.00 (11 bids) End Date: Sunday Jul-20-2025 21:05:01 EDT Bid |
Case XX USA 1964-1969 5172 Stag Bulldog Yellow Handle Knife w/ Box
![]() | $495.00 Buy It on eBay for only: $495.00 Buy It Now on eBay |
Vintage Case XX Bulldog 5172 Made In USA Large Folding Pocket Knife & Wood Case
![]() | $395.00 Buy It on eBay for only: $395.00 Buy It Now on eBay |
CASE XX USA 4 DOT (1976) 5172 SSP STAG HANDLE BULLDOG CLASP KNIFE (VINTAGE)
![]() | $489.99 Buy It on eBay for only: $489.99 Buy It Now on eBay |
1975 TVC6162 Vintage Case XX P172 Buffalo Clasp Knife 5 Dot 1975 with Wood Box
![]() | $199.99 End Date: Wednesday Jul-16-2025 17:08:36 EDT Buy It on eBay for only: $199.99 Buy It Now on eBay |
Case XX 1973 P172 Buffalo In Original Presentation Walnut Box Made In USA
![]() | $250.00 Buy It on eBay for only: $250.00 Buy It Now on eBay |
Case XX 1973 (7 Dot) P172 Buffalo Clasp Knife Pakkawood Handle USA - Vintage
![]() | $230.00 Buy It on eBay for only: $230.00 Buy It Now on eBay |
1960's CASE XX P172 BUFFALO ROSEWOOD CLASP KNIFE w BOX
![]() | $374.95 Buy It on eBay for only: $374.95 Buy It Now on eBay |
VTG 1970'S CASE XX P172 BUFFALO CLASP KNIFE CUSTOM PICTURE JASPER STONE HANDLES!
![]() | $1,125.00 Buy It on eBay for only: $1,125.00 Buy It Now on eBay |
VNTG 1970 W R CASE and SONS ) (BUFFALO ) P172 POCKET KNIFE w ORIGINAL W CASE
![]() | $229.49 Buy It on eBay for only: $229.49 Buy It Now on eBay |
VINTAGE CASE XX USA #P172 HAND MADE BUFFALO PATTERN KNIFE
![]() | $275.00 Buy It on eBay for only: $275.00 Buy It Now on eBay |
OLD VINTAGE CASE XX 5172 SSP BLUE SCROLL STAG BULL DOG KNIFE 1977
![]() | $299.99 Buy It on eBay for only: $299.99 Buy It Now on eBay |
VINTAGE STAG HANDLE CASE XX 1964-69 BULLDOG POCKET KNIFE 5172 WITH WOODEN BOX
![]() | $395.00 Buy It on eBay for only: $395.00 Buy It Now on eBay |
CASE BULLDOG #5172 XX 1940-65 HAND MADE IN USA, BEAUTIFUL HANDLES
![]() | $750.00 End Date: Sunday Jul-20-2025 18:17:06 EDT Buy It on eBay for only: $750.00 Buy It Now on eBay |
NEAR MINT 8 DOT 1972 BUFFALO P172 CASE XX FOLDING KNIFE USA VINTAGE w/ BOX
![]() | $299.99 Buy It on eBay for only: $299.99 Buy It Now on eBay |