American AcornsRoster of officers, about 1920 (RG 64): Clarkson, Herbert S., QMC, permanent captain F.A.
Image · dated c1920 · source: NARA RG 64 roster, FamilySearch image.
How it is shown: Complete image as saved; no crop, no retouch, no search highlight.
Keep in mind: Name and rank only; identity with Herbert Slayden is Likely.