1890 UNDERPAID MAIL LONDON TO PARIS/POSTAGE DUE. Envelope London to Paris with 1d lilac (SG172) with "BV" perfin tied LONDON squared circle AU 18 90, postage underpaid with "T" tax mark and french 30c postage due with triangular cancellation. On front CALAIS A PARIS date stamp 19 AOUT 90. (Ref 99132).
