United States. Two Second War Field Warning Signs Hold one rubber stamp on the

one rubber stamp on the reverse

The helmet plate is brass with the Prussian eagle insignia

but in relatively fine condition

the reverse with a central institution date of “1916”

United States. Two Second War Field Warning Signs Hold one rubber stamp on the"Danger" Sign (in metal, in yellow and white reflective material, printed in black ink "DANGER" on both sides", measuring 108 mm (w) x 140 mm (h), attached to a yellow metal pole, magnetic, measuring 510 mm in length, with a sharp point for ground insertion); and Warning Sign (triangular shaped pennant in yellow rayon, with a skull and crossbones printed in black ink, measuring 75 mm (w) x 100 mm (h), attached to a red metal pole, magnetic, measuring