BACKGROUND: In the mid-1920's the original German national signal pennants were replaced by the International signal pennants and flags. The International flag code consist of a group of forty flags and pennants with a flag representing each letter of the alphabet, (in English), pennants for each numeral from zero to nine and four substitute or repeater pennants.

PHYSICAL DESCRIPTION: A white cotton triangular flag that measures approximately 66cm along the bunting end with each side measuring 100cm long meeting to a point. The red circle measures approximately 60cm X 35cm. Hoist end has small rectangular reinforcement patches to top and bottom corners. Hoist end has white cotton bunting with tunnel looped suspension rope. Suspension rope has a steel, swivel suspension clip to top corner and a fixed steel clip to bottom corner. The cotton bunting is marked with an KM eagle over "M" indicating Kriegsmarine usage. Fraying to the fly end as expected.