This appears to be the metal Spacerite Condensed Roman alphabet, which has been given angled serifs. This happens when the stencil cutter takes shortcuts on cutting the serifs, and is often referred to as “handcut”.
The MLC has a font to match the handcut letters: https://www.monumentletteringcenter.com/product/mlc-spacerite-condensed-roman-handcut/
Because the letters are cut by hand there will always be inconsistencies and sometimes the thickness will vary as well, but the letter geometry should be similar.