A Very Rare German Eagle Order Grand Cross

This is a Very Rare German order of the eagle order Grand Cross "Deutscher Adler Orden Grosskreuz". The breast has a white enameled cross with the nazi eagle in each corner pinned to 8 point star. The pin on the back is hallmarks "900" on it for the silver content. This came in a great grouping from the son of a WWII officer who brought it back from the war.