[2] Proud married twice, firstly to Doreen J. Dolley in Bromley, Kent, in 1951,[3] and secondly to Karoline Ulrike Springer in Westminster, London, in 1966.
The consideration for the sale was £1.6m, satisfied by the issue of 13 million new ordinary 10p shares in Stanley Gibbons at 12.25p each.
[6] He won a gold medal for his display of Aden at Espana 2004 and exhibited "India used in Malaya" in the Court of Honour at Singapore.
[1] The copyright to his books was owned by a charity known as the International Postal Museum which also owned the copyright to the works of Ronald Alcock, both of which were given to the Royal Philatelic Society London after Proud's death along with the stock of unsold books, his research information and the cash funds of the charity.
[10] Proud wrote and published handbooks in three principal series along with a selection of other works and one non-philatelic book on S.M.S.Emden.