There are 3 Stolp Starduster SA300 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 1992 and 2006.
N506WS
2006 Spani Wayne M STARDUSTER TOO SA300
Dover, DE
N313PS
2002 Hier Richard T ST STRDSTR TOO SA300
Lambert, MT
N2053R
1992 Rogers Tim SA300
Morgan Hill, CA