Perak 1935 50c red proof/colour trial Imperf Block on white card. 1st Class for large items (pages/RAF covers etc). Everything listed is subject to being unsold.Some of our item descriptions may not match the images on display. We, Mark Bloxham Stamps Ltd, reserve the right to refuse sale, particularly in circumstances which have involved a computer/website malfunction or listing error. Bloxhamstamps is a trading name of Mark Bloxham Stamps Limited (Company Number 9189865). Registered address: Roland House, Dock Street, Hull, HU1 2LD. (DO NOT USE THIS ADDRESS FOR POST). Our postal address is PO Box 155, Newcastle upon Tyne, NE20 2BB.