Early Forged Stamps Detector - Dalton. Lewis & Pemberton

Description

Early Forged Stamps Detector, by Thomas Dalton, Thornton Lewis, Edward Pemberton.  A reprint of 2 early books pertaining to worldwide forgeries:
FORGED STAMPS AND HOW TO DETECT THEM and HOW TO DETECT FORGED STAMPS, published originally in 1863 and 1865 respectively. Sanford J. Durst, 1979.
Stapled card covers, about 80 pages, no illustrations - detailed descriptions only.
In excellent clean condition
I am listing a group of worldwide books on philatelic forgeries
will combine postage as much as possible