Quote: I just find it odd that there are 309,426,788 from 1938 and another 400,000 printed in 1951 and only a few (who knows how many) have turned blue.
That is because they just don't turn blue by themselves when stored normally. The "blue" one have been exposed to something that has altered the chemistry of the ink.
After doing a little more research it looks like 832 was printed from 1938- 1954 and there are 832b, 832c and 832g. It is not clear to me how to tell the difference. It seems like color is a clue but ink color change would make this difficult. Are there more recognized variations of 832 (besides USIR and print shift)and how do you tell the difference? Also how can you detect the USIR?
I found another example of an 832 blue with other color variation.
I hope to get a picture of an unused single and block of four from another collector. Mr. Stryker spent years looking for 832b IR and only found 400 so with the internet maybe I can find more 832 blues.
Yes, there are a lot of color changelings floating around, note that they all are used stamps. Take a bit of lye (Sodium Hydroxide) in water with a normal 832 stamp and you will then have a blue stamp. Don
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Posted 08/22/2017 9:09 pm
