Are you asking about the original plastic ones w/o internal rattles or the later (1960's) plastic ones with internal rattles?
The original ones w/o rattles are cherished by their owners and HARD to find. The later models (1960's) are also hard to find.
Just how old of a Rattlin' Rouge do you mean?
I wish I could tell you where to find older models as they are one killer lure. If you find some, share the source!
