The A.E.P.S. maintains a register of judges who are available to judge competitions at affiliated societies. See Handbook for details.

Clubs and societies who use the A.B.P.S. marking scheme for their competitions may find these downloadable marking sheets (PDF files) useful.

Judges marking sheet ~ Traditional (Stamps), Postal History & Aerophilately.
Judges marking sheet ~ Thematics.

A.B.P.S. Booklet No. 3 Competitive Exhibiting at Local and Federation Level contains further information on the marking scheme.