Thanks rvcollector...Let me clear this up; I got the wrong R # on the original post
It should read: between R135 & R151. I have seen the same design (R12) listed on eBay
as both numbers.
My Scott's Specialized 2021 doesn't show a PIC of either of the stamps in question, however a pic of the ONE cent(R12) is there.
Anyhoo here is a pic of the stamp that I am trying to catalog: