Album weeds : or, How to detect forged stamps (1882)
Earée, R. B · London : Stanley Gibbons · leaf 148
rks, consisting of an oval, formed by three straight lines at the top and bottom, and four curved lines on each side. It will be noticed that I have not described the genuine so minutely as the medio real ; but the colour is invariably so very faint that it is extremely difficult to make out any…
Postage stamps
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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