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What's The Difference Between 1930 And 1931 J Stamps

 
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Posted 11/26/2018   2:43 pm  Show Profile Bookmark this topic Add justme to your friends list Get a Link to this Message
I read one is vertical and the other is horizontal which I don't understand. How do I determine if these stamps are 1930 or 1931. I would assume the latter at least in most of them.



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Posted 11/26/2018   3:58 pm  Show Profile Bookmark this reply Add littleriverphil to your friends list  Get a Link to this Reply
The 1930 issue is perf 11 on all sides. The 1931 rotary press printed stamps were perfed 11 x 10.5 and is taller. The design of the 1930 stamps is 19 x 22 mm, the 1931 design is 19 v 22.5 mm.
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Edited by littleriverphil - 11/27/2018 06:31 am
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Posted 11/26/2018   5:09 pm  Show Profile Bookmark this reply Add bobmill to your friends list  Get a Link to this Reply
Also the flat press stamps (the 1930 set) will leave red ink marks on the backs of the stamps while the rotary press issues will not
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Posted 11/26/2018   6:03 pm  Show Profile Bookmark this reply Add John Becker to your friends list  Get a Link to this Reply
Rule 1, keep it simple: The 1930 issue is perf 11. The 1931 issue is perf 11 x 10.5. It is only necessary to gauge the long side to differentiate them.

There will be far more of the 1931 issue. There are other subtle differences and reasons for these differences, some noted in the other posts above, but perforation alone will separate the 2 issues.
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Posted 11/27/2018   5:51 pm  Show Profile Bookmark this reply Add justme to your friends list  Get a Link to this Reply
Thanks John. Here's a pic I had taken a few days ago of a couple of them; one with a precancel.

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Posted 11/29/2018   12:25 pm  Show Profile Bookmark this reply Add postagedueguy to your friends list  Get a Link to this Reply
J69 - J78 were printed on the flat plate press and J79 - J87 was printed on the rotary press. J69 - J78 are perforated 11x11 and J79 - J87 are 11x10.

J69 to J78 were issued in late 1930 and early 1931. J69 - J76 were used for less than a year and the replaced with J79 - J86 in 1931 and 1932. J77 was replace with J87 in 1956 and J78 was replaced the J101 in 1959.

J69 - J76 had very low printings. For example, there were 4 plates used to print J75 with only 1000(!!!!!) impressions each. These were 400 subject plates. 4 x 400 x 1000 = 1,600,000 stamps. These were used up very quickly.

I often see eBay sellers and sometimes even professional stamp dealers getting them mixed up. Below are scans of J71 and J81.



J71 plate 20218 bottom



J81 plate 20674 UR (This a rare plate number)
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Edited by postagedueguy - 11/29/2018 12:31 pm
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Posted 11/30/2018   1:46 pm  Show Profile Bookmark this reply Add saverhinos to your friends list  Get a Link to this Reply
Can someone please help me. I can not tell if these stamps are J76 or J86

Your help would be greatly appreciated

Thank you
Eric




Can someone please help me. I can not tell if these stamps are J76 or J86

Your help would be greatly appreciated

Thank you
Eric
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Posted 12/01/2018   3:31 pm  Show Profile Bookmark this reply Add postagedueguy to your friends list  Get a Link to this Reply
Just from the color these look like J86 to me. To be sure you'll have to measure the prefs. If it's J86 it will be perfed 11x10 and if it's J76 it'll be 11x11.

A plate block of J86.




Below are some scans of plate blocks of J76.





A sheet of J76
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Edited by postagedueguy - 12/01/2018 3:32 pm
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