WWII Souvenir Piece of Remagen Bridge - w/ signed Certificate of Authenticity For Sale

WWII Souvenir Piece of Remagen Bridge - "Die Brucke Von Remagen" - there is signed Certificate of Authenticity (No. 1061) scroll inside the base of the casing with history of the Remagen Bridge, written by the Mayor of Remagen, Hans Peter Kurten.
Part of the scroll reads as follows:
"I hereby certify that this stone was part of one the piers support the historic Ludendorff Bridge which once spanned the Rhine River at Remagen, Germany."Dimensions: 3.75" x 2.5" x 1 & 11/16"*** I do not ship outside of the U.S.A. ***