From my 2014 edition of McDonald's coin catalogue.
"The only known 1964. proof halfpenny was sold by Spink & Son (Sydney) in their March 1987 auction
when it and an equally unique penny realised $7200 for the pair. The halfpenny was an impaired proof
and is believed to have been struck especially for the Mint Master of the time."
Value in the above mentioned catalogue is $30,000
Steve :)
"The only known 1964. proof halfpenny was sold by Spink & Son (Sydney) in their March 1987 auction
when it and an equally unique penny realised $7200 for the pair. The halfpenny was an impaired proof
and is believed to have been struck especially for the Mint Master of the time."
Value in the above mentioned catalogue is $30,000
Steve :)


















