Maurice Nicholas is advertising his 1958 20D for sale in this months OBM the bike is 8369/20D (OVS341) no price was given, Maurice's number is 01353 662928. looks like Maurice is reducing his Greeves collection as he sold his 1955 20T 5032/T in Cheffins Auction 24/4/21, went for £5000 plus commission.
(pic taken October 2013 at Ipswich show by Bob Lovelock)
(pic taken October 2013 at Ipswich show by Bob Lovelock)