Alan D. Anyon
Alan D. Anyon (born 1931) is a British philatelist and expert in the revenue stamps of Colombia. In 2009, with Dieter Bortfeldt, he published the first dedicated catalogue of Colombian revenue stamps.
Alan D. Anyon (born 1931) is a British philatelist and expert in the revenue stamps of Colombia. In 2009, with Dieter Bortfeldt, he published the first dedicated catalogue of Colombian revenue stamps.