21" semi wasp-waisted double edged spear point blade with a pronounced median ridge. Blade 1.75" wide at ricasso. Overall length 26.5" with a cast brass 5.5" hilt with fish-scale patterned grip. Cast brass half-basket guard with reinforced edge is marked with the rack number 15/2D on the face and is additionally marked with punch dot initials and XLII. Forward swept disc quillon with J.L. inspection on the obverse and RC inspection on the reverse. Reverse ricasso marked USN/1845/R and obverse ricasso marked NP AMES/SPRINGFIELD. No scabbard is present.