1855-S proof half dollar, how many are there

Finishing up the book on Liberty Seated quarters,
one of the hot topics is the 1855-S quarter proof
As part of that looking into the 1855-S half dollar proofs
I can prove two were sent to Snowden.
We know one is in Smithsonian
Second specimen is believed to have first been sold as part of the Baldenhofer sale in 1955 and has sold several times since.
Breen claims a third specimen was in the Bolender sale, but I believe this is either the same as the Balkenhofer coin or was a proof like and confused as a proof.
I believe there are only two 1855-S half dollar proofs,
curious what any one else thinks
Thanks
Kevin
one of the hot topics is the 1855-S quarter proof
As part of that looking into the 1855-S half dollar proofs
I can prove two were sent to Snowden.
We know one is in Smithsonian
Second specimen is believed to have first been sold as part of the Baldenhofer sale in 1955 and has sold several times since.
Breen claims a third specimen was in the Bolender sale, but I believe this is either the same as the Balkenhofer coin or was a proof like and confused as a proof.
I believe there are only two 1855-S half dollar proofs,
curious what any one else thinks
Thanks
Kevin
Kevin J Flynn
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