1938 UNDERPAID MAIL GUILDFORD TO MONTE CARLO/RE-DIRECTED. Envelope Guildford to Monte Carlo re-directed to London with KGVI 1½d red-brown (SG464) cancelled GUILDFORD/SURREY 24 MAR 1938, postage underpaid with "T/20" tax mark and Monaco postage dues 10c x 2 and 60c x 2 cancelled MONTE.CARLO 26-3-38. The 60c Monaco postage due rare on cover. Attractive usage. (Ref 108754).
