Although this series was first described by Irene Thornburg in her second reference book about shaker series called "The Big Book of Salt & Pepper Shaker Series" on page 139, she left out a recently discovered set of police officer type clown-like strange fellows.

Clown-like strange fellows salt and pepper shakers - police officers

Now, this possibly complete series, consists of four sets of strange clown-like fellows - police officers, firefighters, monks, and men on barrels.  Each set stands 4.5'' high, is stamped in black "Japan", and have 3 and 2 pour holes.  Circa 1950s.

Clown-like strange fellows salt and pepper shakers - firemen
Clown-like strange fellows salt and pepper shakers - guys on barrels
Clown-like strange fellows salt and pepper shakers - monks