WWPCM05615
"Reo Rex" (Mannheim, Germany)
deck "English pattern", c.1930
stamp used in 1929-1931; dimension 59x89 mm
May be "RR" was only puiblisher: the same courts used by "Arpak Playing Card Co., Ltd." (WWPCM00425)

d05615j01

d05615r01

I don't know is it a variant for this pattern or this is a standard joker:

d05615j02

images supplied by Jelle Sietsma