Sir William Beilby Avery, 1st Baronet was a British philatelist who was entered on the Roll of Distinguished Philatelists in 1921 as one of the fathers of philately. His grandfather was the elder brother in W. & T. Avery, weighing machine makers of Birmingham and until he retired Sir William managed a great expansion of that business.
W & T Avery weighing machine for infants
Post Office Mauritius stamps of the type owned by Avery.
Roll of Distinguished Philatelists
The Roll of Distinguished Philatelists (RDP) is a philatelic award of international scale, created by the Philatelic Congress of Great Britain in 1921. The Roll consists of five pieces of parchment to which the signatories add their names.
Girst to pages of the Roll on display at the London 2022 International Stamp Exhibition, February 2022.
King George V was the first signatory to the Roll.
Mount Brown
Philipp von Ferrary