A. B. Kay

In 1910, Kay identified used copies of the Italian forgery of the British grey-green Victorian 10 shilling stamp watermarked anchor and perforated 14.

His letter to The London Philatelist, published in November 1910, warned the philatelic community of its existence.

The firm was first located at 71 Fleet Street, London E.C., then Aldwych, moving to The Strand in 1938 and to Pall Mall in 1978 under Allan Leverton's stewardship.

[7] Kay was the founder Secretary, Treasurer and Exchange Superintendent of the Fiscal Philatelic Society in 1902[8] continuing in those roles until the FPS amalgamated with the International Philatelic Union in 1920.

Kay also served on the British Philatelic Association expert committee.