Mac joined the British Antique Dealers' Association in 1982 when his premises Mac Humble Antiques were in Bath, later moving to Bradford-on-Avon, and served as regional representative for the South West region from 1997 to 2006.
A memorial service will be held on Friday, April 8 at 3pm at Holy Trinity Church, Bradford on Avon, Wiltshire, BA15 1LW. No flowers please, but if desired donations may be sent to Leukaemia and Lymphoma Research, 39-40 Eagle Street, London WC1R 4TH.