If you are using something with symbols and other alphabets available or supported, you can try looking through lists of such symbols to find a suitable one. For capital Rs, a Russian 'ya' - 'Я' - may be just as good and can be copy-pasted from here; for lowercase r's, there is almost nothing available.
Charles Lazarus, founder of Toys R Us, made the R backwards as to draw attention to the name.
copy and paste this: Я
R. A. March has written: 'Jobbing backwards'
backward r on jewelry hallmark
In the chat box, type in /moonwalk your character will walk backwards instead of foward, but you must log out to undo it.
P-A-R-T
birthday gilr
9
what does 3 R(backwards R) K stamped on jewellery mean
Toys R Us
You can copy and paste this: Я
Racecar =) R A C E C A R