Double edged Wostenholm spike point of the third Fairbairn-Sykes pattern.
6.75 inch blade marked:
I-XL
GEO. WOSTENHOLM & SON.
SHEFFIELD-ENGLAND
Attachment 43426
Not a recent acquisition but a souvenir of my misspent youth. Try as might, I can't get it shave ready.
Attachment 43427
Semper circa (motto of the Force Recon Librarians)
LG Roy