There are 6 Franklin 90 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 1930 and 1932.
N13139
1932 Franklin 90
Brodhead, WI
N10765
1931 Franklin 90
Las Cruces, NM
N10792
1931 Franklin 90
Wilmington, DE
N10779
1930 Franklin 90
Wayne, PA
N11601
Franklin 90
Williamsburg, VA
N13271
Franklin 90
Hood River, OR