Album weeds : or, How to detect forged stamps (1882)
Earée, R. B · London : Stanley Gibbons · leaf 92
genuine differs from the others, accord- ing to the value. However they are all alike in the parts taken for description, and the above tests will suffice for the detection of either the Id., the 6d., or the lOd., or of all three. The engine- turning of the originals has been very well copied in…
Postage stamps
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
