This treasure is a near perfect unauthorized reproduction of the original calculator in box.  The original 1916 Consul Monkey Adder / Calculator is highly sought after and seldom found.  These reproductions are secretly being made in Australia and difficult to come by.  This is a beautiful reproduction and near identical to the original 1916 to 1918 “Consul Monkey Calculator” (See bottom right for original Consul Monkey for comparison to reproduction).  This reproduction is a lithographed metal calculator and new in box (NIB).  Even expert appraisers will find it difficult to determine the original to the reproduction.  It measures 6.50” x 6” in box.  Note – the original 1916 Consul Monkey Calculator is shown for comparison and not included.  This reproduction Consul Monkey Calculator will highlight calculator collection.