There are 3 Piper PA-18S-135 aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1952 and 1954.
N1564P
1954 Piper PA-18S-135
Saint Cloud, MN
N1371C
1953 Piper PA-18S-135
Alton, VA
N2497A
1952 Piper PA-18S-135
Anchorage, AK