E K RICHMOND MODEL M-4 ~ Vintage

 This is an early version of the RICHMOND MODEL M-4 with black leather sheath : 6-5/8 inch Spear Point, Full Tang, Stainless Steel Blade; Both Edges Sharpened; Brush Finish; Bright Brass Crossguard; 3 Wars Logo w/ Richmond Mark; Black Micarta Handle with 3 Brass Cross-Head Screws; Has Lanyard Hole in Extended Tang; 

The M series knives were one of the two earliest Ek models and a mainstay of Ek knife sales. Their prices were about 30% greater than the Pakkawood models. 

The M-4 knife has the micarta handle with brass crossguard. The M-4 model early knives were issued with the black leather sheath. Later, these knives were issued with the OD web sheaths.