Photocopies for informational purposes is usually okay. If you were creating a catalog to document it, or to sell the cachet, you can certainly make a copy, it is done all the time.
Cachet
Great Britain issued the first postage stamp in 1840.
Stamp, according to google.
US states do not issue postage stamps. The US post office issued their first Christmas stamp in 1962. Canada issued the first stamp referred to as a Christmas Stamp. It was the map issue of 1898 and said XMAS 1898 on the stamp.
The stamp alone is around $1. You could get around $2 for the first day cover, it has a nice cachet and is pristine.
It is the first stamp issued. That makes it the 'First.'
This depends on the country Great Britain issued the first stamp and it featured Queen Victoria. The first US Stamp featured George Washington.
AnswerThe first French postage stamps were issued in 1853.
Cachet refers to a design printed on an envelope. It is often found on First Day Covers and Special Event covers. Before collectors got really interested in the postmarks, First Day Covers were identified simply by the cancellation. Early cachet covers are unusual and bring a premium. Later FDCs and events without cachet are going to be worth considerably less.
While it was printed for a new postage rate, Canada issued the first stamp referred to as a Christmas Stamp. It was the map issue of 1898 and said XMAS 1898 on the stamp and was issued on Christmas Day.
1904
1953