It is most probable that one of the two Mint currency coins was the unmentioned seventh, a currency coin apparently first appeared in a Glendinning auction in 1969. The Royal Mint now have only one example in their collection. A currency coin was said to have been given by the mint to Laurie Asher Lawrence in 1933-4. This is not mentioned in the Letter above. I have tried to obtain the information from the Royal Mint regarding the disposal of their second coin, but have had no reply. There are six known examples plus the one stolen from the "Church of St. Cross, Middleton Leeds, presumably a Proof coin.
Charles F Barrett, who made an annotation on 10 May 1934 that “seven examples exist, one of which is not traceable at current time