THIS IS AN EXTREMELY RARE, COMPLETELY UNFINISHED RAW ALLOY DIE-CAST CASING SPECIALLY MADE FOR THE LEICA M SERIES. LOGICALLY, SUCH COMPONENTS SHOULD NEVER HAVE ENTERED THE PUBLIC MARKET; THEY ARE EXTRAORDINARILY SCARCE ARTIFACTS THAT MANAGED TO LEAVE THE LEICA FACTORY PRODUCTION LINE AND CIRCULATE OUTSIDE THE OFFICIAL SYSTEM. THIS PIECE WAS ACQUIRED THROUGH A PRIVATE TRANSACTION FROM A MEMBER OF THE LEICA HISTORICAL SOCIETY OF AMERICA (LHSA) AND IS CURRENTLY PRESERVED IN OUR MUSEUM COLLECTION.