Many of these memorial medals are worth a price close to $30 each. The exact price will depend upon its condition.
Barlow Memorial Medal was created in 1916.
Sedgwick Memorial Medal was created in 1929.
Van Cleef Memorial Medal was created in 1970.
Bispham Memorial Medal Award was created in 1921.
Bispham Memorial Medal Award ended in 1932.
Medal of Honor Memorial - Indianapolis - was created in 1999.
Stephen Leacock Memorial Medal for Humour was created in 1946.
Dallas :)
It's likely a "Gold Charm" of some type, not a US Mint product.
Dallas
JFK did not appear on the half dollar until 1964 and 1963 half dollars are Franklin half dollars. The US Mint has never made any "Memorial editions" of any type. It may be a privately issued coin or medal of some kind.
a lot.