Auctioneers
Auctioneer Name: Grosvenor Philatelic Auctions
Address: 22 Woodstock Street,
  London
  W1R 1HF UK
Fax: +44 (0)20 7379 9737
Telephone: +44 (0)20 7379 8789
Email: info@grosvenor-auctions.co.uk
Website: www.grosvenorauctions.com