Japan Emperor Meiji's Drilling

I found this pic on the German Gun Collectors Association website. I did some web seaching and found the following info:

THE FOLLOWING GUN WAS MADE IN MUENCHEN GERMANY IN 1886 AND HAS BEEN UNDER CUSTODY OF THE MINISTER OF THE IMPERIAL HOUSEHOLD AS FAVORITE GUN OF HIS MAJESTY , EMPEROR MEIJI. SINCE THE TERMINATION OF THE GREATER EAST WAR (WWII) THE GUN WAS RELEASED AND LATER TRANSFERED TO EX-COUNT USHIJI KABAYANA AND LATER TO MR. IJETSU MANJIRO.THIS MAGNIFICENT DRILLING WAS LATER TRANSFERED TO AN OFFICER OF THE U.S. ARMY WHERE THE GUN HAS BEEN IN THE FAMILY SINCE THEN.WE HAVE ALL RELEVENT DOCUMENTS BOTH IN ENGLISH AND JAPANESE AND PROPER TRANSLATION ETC.PART 1 0F 3,,,,GUN IS SOLD NOW ,,,,,,,,