There are 6 Bell 47H-1 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 1955 and 1957.
N2831B
1957 Bell 47H-1
Middletown, DE
N2891B
1957 Bell 47H-1
Goff, KS
N2476B
1956 Bell 47H-1
Somis, CA
N985B
1956 Bell 47H-1
Wilmington, NC
N2480B
1955 Bell 47H-1
San Diego, CA
N996B
1955 Bell 47H-1
Niagara Falls, NY