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All Forums Category: US Stamps and Covers Discussions Forum: US Classic Stamps - As Issued and Used

Rotary 631 Vs Flat 576

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Replies: 7 / Views: 1,979

ananthveerappan

Valued Member

United States

299 Posts

Posted 04/01/2017 4:25 pm

I strongly believe that the Pair is 576. But the Bottom one is where I am confused as 576 or 631.

Trying to read the differences between Rotary vs Flat printing from some articles in the forum.

But can someone help me in the interim?

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1949 Posts

Posted 04/01/2017 6:12 pm

What are the dimensions?

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2498 Posts

Posted 04/01/2017 9:32 pm

these are easiest to differentiate by looking at the back

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1949 Posts

Posted 04/02/2017 07:31 am

chasa, you are correct. I keep forgetting about that.

Jack Kelley

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ananthveerappan

Valued Member

United States

299 Posts

Posted 04/03/2017 8:14 pm

Chasa

The top one has ink bleeds indicating a flat printing...
The bottom one doesn't. I see it sitting alongside a 575/577, which makes me doubt it.
I am also told, the ink bleed is usually and indicator but not always... Am I right?

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1384 Posts

Posted 04/03/2017 9:44 pm

chasa ... when you say look at the back, are you thinking of the gum breakers? If gum breakers are present, I assume it must be 631. But if there are no gum breakers, then I would think a brief measurement might be called for in case it happens to be the less common 631 without the breakers.

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1949 Posts

Posted 04/04/2017 09:35 am

I think he's talking about gum breakers. But, of course, taking measurements doesn't hurt.

Jack Kelley

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2498 Posts

Posted 04/04/2017 10:57 am

Yes to all, and the ink bleeds are not bleed through, but rather specks of ink left from stacking flat sheets.

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Replies: 7 / Views: 1,979

All Forums Category: US Stamps and Covers Discussions Forum: US Classic Stamps - As Issued and Used

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