There are 13 Grumman G-73 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 1946 and 1951.
N188AC
1951 Grumman G-73
Coolin, ID
N54GZ
1950 Grumman G-73
Middletown, DE
N7356
1950 Grumman G-73
Carson City, NV
N130FB
1947 Grumman G-73
Carson City, NV
N1888T
1947 Grumman G-73
Oshkosh, WI
N2950
1947 Grumman G-73
Reno, NV
N775WA
1947 Grumman G-73
Baldwin Park, CA
N98BS
1947 Grumman G-73
New York, NY
N12YZ
1946 Grumman G-73
Coolin, ID
N168WS
1946 Grumman G-73
Minden, NV
N2945
1946 Grumman G-73
Hillsboro, OR
N611SS
1946 Grumman G-73
Carson City, NV
N632SS
Grumman G-73
San Antonio, TX