a. Regular Army for the Army green service uniform
(1) Type
The buttons are clothing bag issue items.
(2) Description
The buttons (see fig 20–4) are antique finish with the coat of arms of the United States superim¬posed.
Buttons are available in 20-ligne, 25-ligne, 30-ligne, and 36-ligne sizes.
There are 40 lignes to 1 inch.

(3) How worn
The buttons are worn on the coat of the AGSU.
b. Regular Army
(1) Type
The buttons are optional purchase items.
(2) Description
The buttons (see fig 20–4) are yellow-gold plated with the coat of arms of the United States superimposed.
Buttons are available in 20-ligne, 25-ligne, 30-ligne, and 36-ligne sizes.
There are 40 lignes to 1 inch.
White-gold anodized aluminum buttons are not authorized for wear.
(3) How worn
The buttons are worn on the coats and jackets of ASU and dress variation and mess uniforms.
(1) Type
The buttons are optional purchase items.
(2) Description
The buttons (see fig 20–5) are available in antique finish and yellow-gold plated finish and have an eagle holding a scroll in its beak inscribed with the word “Essayons.”
A bastion with embrasures is in the distance surrounded by water with the sun rising over the water.
The buttons are available in 20-ligne, 25-ligne, 30-ligne, and 36-ligne sizes.
White-gold anodized aluminum buttons are not authorized for wear.

(3) How worn
(a)
The antique finish buttons are worn on the coats of the AGSU by all members of the Corps of Engineers with an engineer primary MOS or branch.
(b)
The yellow-gold plated finish buttons are worn on the coats and jackets of the ASU and dress variation and mess uniforms by all members of the Corps of Engineers with an engineer primary MOS or branch.
