US Navy LT O‑3 Subdued OD Cap Device Patch 1‑3/4" × 1‑1/2" TE Sew‑On

Vintage U.S. Navy Lieutenant (LT, O‑3) subdued embroidered cap device featuring the black rectangular officer‑grade insignia on an olive‑drab background. Manufactured by Vanguard, this cloth version was worn on Navy working and utility caps. Patch includes a turned‑edge (TE) border, measures 1‑3/4" × 1‑1/2", and is a sew‑on insignia.
Sourced from an Army Navy Surplus Store and sold as a novelty collectible uniform item, not official issue.

FEATURES
- Item Type: Subdued embroidered cap device
- Branch: U.S. Navy
- Rank: Lieutenant (LT, O‑3)
- Insignia: Black rectangular officer bar
- Manufacturer: Vanguard
- Colorway: Olive drab with black embroidery
- Size: 1.75 × 1.5 in
- Edge Type: Turned‑edge (TE)
- Attachment: Sew‑on
- Classification: Novelty collectible; not official issue
- Source: Army Navy Surplus Store