Every person who does, or causes or procures to be done, or knowingly aids, abets, or assists in doing, any of the acts following, that is -
(a) fraudulently prints or makes an impression on any material from a genuine die;
(b) fraudulently cuts, tears, or in any way removes from any material any stamp, with intent that any use should be made of such stamp or of any part of such stamp;
(c) fraudulently mutilates any stamp, with intent that any use should be made of any part of such stamp;
(d) fraudulently fixes or places on any material or on any stamp, any stamp or part of a stamp which, whether fraudulently or not, has been cut, torn, or in any way removed from any other material, or out of or from any other stamp;
(e) fraudulently erases or otherwise either really or apparently removes from any stamped material any name, sum, date, or other matter or thing written on the stamped material, with the intent that any use should be made of the stamp on such material;
(f) knowingly sells
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