Hi guys I noticed my Scott 1882a and 1882b stamps were issued a perforation of 11.7....I noticed my 1882b stamp had a perforation on the top of 11.6 as you can see from the pictures....I took a perforation measurement a half dozen times and came out 11.6 every time.
Hi peter just showing the difference in perforations between 2 stamps in the same issue with one being 11.6 as compared to all others being 11.7 perfs.
Robert, it does not explain the suffix. What is the difference between A and B? Besides,one is used, the other not. Could that influence the (extremely minimal) difference in perforation gauge?
wert, 1882b has a value of 47 ¢, your image is 1853a of 46 ¢ from the BK227 booklet or from the 1853b sheet. All have Aston-Potter's 11.7 serpentine perforation. Your two stamp is coming from a different printing job, this could explain this little difference.
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Posted 09/10/2021 09:43 am
