WTT Very, very rare (2-5 known) British Halfpenny for US Commem 50c

For trade, a very rare, R19 (2-5 known), 1964 British Halfpenny NGC PF66BN. This is the only coin graded by any US TPG and is very seldom offered. In fact, this is the only coin I have ever seen offered. Even the most complete collection of Halfpennies ever assembled, The Dr. Basil Nicholson Collection did not have this coin. The coin was sold by Heritage earlier this year Heritage link to Proof 1964 1/2d.
I would like to trade this this true rarity for certified MS61-MS64 Classic Commemorative Half Dollars. Please PM me if you are interested.

I would like to trade this this true rarity for certified MS61-MS64 Classic Commemorative Half Dollars. Please PM me if you are interested.


DPOTD-3
'Emancipate yourselves from mental slavery'
CU #3245 B.N.A. #428
Don
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DPOTD-3
'Emancipate yourselves from mental slavery'
CU #3245 B.N.A. #428
Don
DPOTD-3
'Emancipate yourselves from mental slavery'
CU #3245 B.N.A. #428
Don