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Scott US #634 Same Perf Error Top And Bottom

 
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Valued Member
United States
122 Posts
Posted 05/28/2017   11:24 pm  Show Profile Bookmark this topic Add jonathan to your friends list Get a Link to this Message
I've identified this stamp as Scott US #634; please feel free to correct me. It appears to be heavy on the ink, and there's the same perf error on top and bottom.

Is this a generic perf error or something special? Opinions welcomed. Thanks for looking!


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Pillar Of The Community
United States
1414 Posts
Posted 05/29/2017   12:00 am  Show Profile Bookmark this reply Add cfrphoto to your friends list  Get a Link to this Reply
Broken perforation pins could occur. The rotary press perforator used a drum with horizontal pin rows to perforate horizontal rows combined with a conventional line perforator to perforate vertical rows.

The rotary press perforator is pictured here: https://www.mysticstamp.com/info/th...-production/

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Valued Member
United States
122 Posts
Posted 05/30/2017   4:59 pm  Show Profile Bookmark this reply Add jonathan to your friends list  Get a Link to this Reply
@cfrphoto Thanks for the info. Now I understand why the same missing perf is present on both the top and bottom.
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