Code 3 – Baltimore, MD Mack CF Fire Expo 2009, #12575. Original diecast release date of July 2009. This Mack replica is a special edition collector’s piece commemorating the 2009 Fire Expo held in Baltimore. A great piece for Fire Expo collectors and Baltimore Fire Department collectors. All Code 3 stock are in BRAND NEW condition with the original packaging. 1:64 scale.