The letter A with an extended cross bar signifies that it was made by Assmann. The number is a item identification number. They used many numbers as they made numerous badges for troops stationed in Germany after the war.
Assmann had previously made numerous insignia for the Third Reich. You get both items shown in the photos. Please see photos- Ask questions.These items will be a nice addition to any elite unit insignia collection. With the recent huge increase in U.