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Envelope U436d Without Watermark

 
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Author Previous TopicReplies: 4 / Views: 409Next Topic  
Valued Member
Germany
9 Posts
Posted 03/27/2026   12:58 pm  Show Profile Bookmark this topic Add osuess to your friends list Get a Link to this Message
Hello community,

I have found an envelope U436d without watermark. I also use an older UPSS catalogue. But there is also no one known without watermark.

Can anyone give me some informations about it.

Best reguards from Germany



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Pillar Of The Community
United States
600 Posts
Posted 03/28/2026   07:34 am  Show Profile Bookmark this reply Add jobi01 to your friends list  Get a Link to this Reply
Is it actually without watermark or just a really poor watermark hard to see? Year of use is near the end of the contract period so a worn dandy roll making a hard to see watermark would not be unusual.
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Bill Lehr
US Postal Stationery Specialist
Valued Member
Germany
9 Posts
Posted 03/28/2026   10:16 am  Show Profile Bookmark this reply Add osuess to your friends list  Get a Link to this Reply
Hi Jobi01

my first idear was like yours. I have checked on diffrent lights, also ultraviolett light. I can not find any part of wmk.
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Pillar Of The Community
United States
600 Posts
Posted 03/29/2026   08:21 am  Show Profile Bookmark this reply Add jobi01 to your friends list  Get a Link to this Reply
I use my Ott light, inverted and a cardboard cutout if necessary to block extra light from my eyes. Unfortunately impossible to see watermarks although scarce, do exist and actually make the envelope less desirable. Good luck.
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Bill Lehr
US Postal Stationery Specialist
Valued Member
Germany
9 Posts
Posted 03/29/2026   09:36 am  Show Profile Bookmark this reply Add osuess to your friends list  Get a Link to this Reply
thanks jobi01

i will test it.
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