Are you looking for some free vintage super swirls for your design? Have a look at these free design resources.
All three letters are alpha transparent PNG files and are ~600×990 pixels in size.
The full alphabet with 25 beautiful old letters is available as high resolution PNGs and vectorized as EPS files. And unlike P, R, W not cut off on the left.
And if you want a shirt with your favorite letter, I also made some shirts, head over to my little shop and get yours.