There are 8 Piper L-4H 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 1943 and 1944.
N340TR
1944 Piper L-4H
Fort Worth, TX
N79731
1944 Piper L-4H
Gurley, AL
N86506
1944 Piper L-4H
Forest Lake, MN
N9217H
1944 Piper L-4H
Sequim, WA
N2175Y
1943 Piper L-4H
Cross, SC
N381PC
Piper L-4H
Naperville, IL
N58988
Piper L-4H
Palmer, AK
N5941V
Piper L-4H
Apple Valley, CA