The State of New York Stock Transfer Tax stamp
(dial-up / slower bandwidth version)

Use this NAVIGATION BAR to switch pages - Intro | 1905 (1) | 1905 (2) | 1906 | 1907 | 1908 | 1914 (1) | 1914 (2) | 1914 (3) | 1915 | 1916 (1) | 1916 (2) | 1922 | 1929 | 1930 | 1932 | 1940 | 1943 | 1943 (2) | 1943 (3) | 1975 Bond
Different Styles of Stamped and Punched cancellations
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1930 - same as above series but additionally, the the inner frame line has an added heavy line -
(perf. 11 - with a 4 cent perf. 12 exception)

"PRINTING METHODS"
Here are some of the proofs used in the printing process for these stamps. (Proofs are used to inspect a printing plate for defects or for color selection.)
The two outer ones are overprint proofs.
   

These are what the printing plates looked like. These have been purposely defaced to prevent them from being used further (causing the dimples from the hammer strikes on the printing side).