The Platts family, considered to be American cutlery royalty, were involved in many different companies (W.R. Case, Platts & Sons, Northfield Cutlery Co. etc) in the Northeastern part of the United States.  In 1911, H.N. Platts had an idea to move out West to supply pocket knives to ranchers, cowboys, farmers and miners.

Western States Boulder, CO Premium Stock Knife with etched blade

Between 1911-c.1950, the tang stamp featured “Western States” in an arch over a straight “Boulder, Colo.”  The logo featured an old buffalo skull.  After 1950, the stamp changed to a straight “Western” over “Boulder, Colo.”  In addition, Westaco was used on pocket knives in the 1930’s while West-Cut was used on hunting knives was used during the same time period.  Popular models include Western States clasp knives, the 932 model with folding saw, W46-8 Fighting knife and V44 Bowie knife.  Check out Ulster Knife Co and Cattaraugus Cut Co knives as well.

I appreciate any traffic from these links as I earn commission when an item is purchased, at no extra cost to you. THANK YOU!!!   – Jesse, oldpocketknives.com

Antique Old Western Knife -062 -2-Blade -Vtg Collection -Boulder USA
eBay
$50.00
Antique Old Western Knife -062 -2-Blade -Vtg Collection -Boulder USA
1980 Western S-522 Lockback Knife Wood Pheasant Etching
eBay
$49.76
1980 Western S-522 Lockback Knife Wood Pheasant Etching
Vintage Western L66 USA Fixed Blade Knife w/ Original Leather Sheath
eBay
$29.95
Vintage Western L66 USA Fixed Blade Knife w/ Original Leather Sheath
Western S-532 Folding Lockback Knife Etched Deer Blade,Box & Sheath,Great!!
eBay
$129.99
Western S-532 Folding Lockback Knife Etched Deer Blade,Box & Sheath,Great!!
RARE EARLY WESTERN STATES BOULDER COLORADO GAFF HOOK FISHING KNIFE
eBay
$145.00
RARE EARLY WESTERN STATES BOULDER COLORADO GAFF HOOK FISHING KNIFE
VINTAGE WESTERN L88 BOULDER COLORADO HUNTING KNIFE WITH SHEATH MADE IN USA L@@K
eBay
$24.99
VINTAGE WESTERN L88 BOULDER COLORADO HUNTING KNIFE WITH SHEATH MADE IN USA L@@K
VINTAGE WW2 WESTERN CUTLERY G-46-8 FIXED BLADE FIGHTING KNIFE & SHEATH!
eBay
$125.00
VINTAGE WW2 WESTERN CUTLERY G-46-8 FIXED BLADE FIGHTING KNIFE & SHEATH!
VINTAGE WESTERN STATES RANGER L39 P39 HUNTING SKINNING CAMP BOWIE KNIFE SURVIVAL
eBay
$39.99
VINTAGE WESTERN STATES RANGER L39 P39 HUNTING SKINNING CAMP BOWIE KNIFE SURVIVAL
Western USA 1961-76 062 Jigged Delrin Large 2 Blade Folding Knife Beauty!
eBay
$70.00
Western USA 1961-76 062 Jigged Delrin Large 2 Blade Folding Knife Beauty!
Vintage Western 541 E Pocket Knife USA Lock Back Wood Handle w/ Leather Case
eBay
$64.99
Vintage Western 541 E Pocket Knife USA Lock Back Wood Handle w/ Leather Case
-5%
Seki Souma Molybdenum steel Sujihiki slicer Knife 240mm western black handle USA
eBay
$80.29 $84.52
Seki Souma Molybdenum steel Sujihiki slicer Knife 240mm western black handle USA
VTG WESTERN USA S-531 WESTLOCK Folding Lockback Knife ETCHED BLADE
eBay
$75.00
VTG WESTERN USA S-531 WESTLOCK Folding Lockback Knife ETCHED BLADE