From an early catalog on these issues
In 1841, as a safety measure, the post office changed the 1d black to red-brown and made the ink fugitive by adding the chemical "prussiate of potash".
If someone tried to remove the postmark, the ink would run
The paper was greyish white, and when it was wetted before printing you would get a blueish tint.
You will find imperf and perforated stamps with or without the blueing up to about 1857. Some catalogs wrongly described the paper as being blue"
Others think that it is simply a "chemical reaction" that occurred over time?
Holy crap, I'll bet you knew all of that off the top of your head. Amazing. How long you been collecting stamps?that is a really interesting history..well done
" .... I'll bet you knew all of that off the top of your head. ...."
I'd
bet so as well.
Hello everybody, hope your day is going as good as mine.
I was looking through this massive old collection I purchased from an estate sale. World stamps and I came across a penny red, pretty common stamp I expect. Except this one was in its proper place, but it said
Type of 1841, bluish paper.Im researching , but if anybody hasheard of anything like that let me know, k sorry no pics, still working on that..
re: Penny red or blue???
From an early catalog on these issues
In 1841, as a safety measure, the post office changed the 1d black to red-brown and made the ink fugitive by adding the chemical "prussiate of potash".
If someone tried to remove the postmark, the ink would run
The paper was greyish white, and when it was wetted before printing you would get a blueish tint.
You will find imperf and perforated stamps with or without the blueing up to about 1857. Some catalogs wrongly described the paper as being blue"
Others think that it is simply a "chemical reaction" that occurred over time?
re: Penny red or blue???
Holy crap, I'll bet you knew all of that off the top of your head. Amazing. How long you been collecting stamps?that is a really interesting history..well done
re: Penny red or blue???
" .... I'll bet you knew all of that off the top of your head. ...."
I'd
bet so as well.