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I regret posting here due to the final line in this post. ]
Quote:
What is the kanji for this postmark? I was always curious as a child looking at this one stamp that was cancelled. Is it a real postmark that was a mistake? I have only my memory of the few times we spoke about his stamp collection.
Postmarks are created by humans (even if a big fancy machine is used--what made the machine? human), made by humans and humans make mistakes. In the USA pre-first day cancels are an active collecting area. But like the collector in your story, so dislike such oddities.
Japan cancels come two ways, transit in country and foreign transit. In country cancels such as yours is properly dated, but date as a measurement since the current emperor rose to the position. Thus the cancel is a misdated real cancel without fear of not understanding the kanji.
I will post this now and when and if I find what I am looking for, I will edit this.
Edit:
Here is visual example how to equate the two cancellation date systems.

The Japanese Cancel reads 37 6 23 = 37 June 23 or June 23 37th year of Emperor
The English Calendar Cancel reads 23 IV 62 = 23 June 62 = June 23 1962
It is the 31st year of the emperor thus
1962-31 = 25 or when you see the in country cancel you need to add 25 to the year of the Emperor to get the normal calendar year date. Of course the counting resets to 1 for each new Emperor.
So your sheet shown is cancelled on July 12, 1953 (28+25) thirteen days prior to the July 25, 1953 FD of issue.
A cancellation oddity such as this is usually worth a few dollars more than the correct date but, hey,
good luck with your $25,000.00 price on ebay...
