 He was active in the National Philatelic War Fund and was credited by "The London Philatelist" with suggesting the design of the souvenir "sword of justice" stamp produced for the fund.He wrote the obituary of noted Indian philatelic specialist Sir David Parkes Masson in "The London Philatelist".Corfield campaigned for the Tapling Collection to be brought up to date so as to become the British "national stamp collection" but this ultimately proved impossible due to the terms under which the Tapling Collection had been donated and the scarcity of some of the material missing from it.