Only World War Two patches appearing in this site can be found using this key. If you are unable to find your patch
it may be that of another period, a non-military one or one not appearing in this site.
Certain patches may be keyed in the above under several categories or may be subject to interpretations using the above key.
For example, is a rectanglular patch with the ends rounded (U.S. Army II Army Corps) a simple geometric design with four sides?