It's confusing, isn't it? There are many polyesters, but the term "polyester" as a specific material most commonly refers to polyethylene...
I have no idea what "profar polyester" is, and I have not been able to find who actually makes the SuperSafe sleeves to ask what is "profar...
"Mylar D" and "Melinex" are Dupont brand names for biaxially oriented polyethylene terephthalate. Denly's uses Melinex 516 for their currency sleeves.
I think that you will find the archival polymer sleeves in the price range of 50¢ to 60¢ per sleeve. The BCW deluxe vinyl currency sleeve is...
It is missing the printing of the ninety yellow 20s that make the EURion Constellation.
The Polyvinyl Chloride (PVC) polymer is made with chlorine and ethylene gas. The resulting polymer is white, brittle powder. To make it into a...
[IMG] [IMG] [IMG]
If you can't find it, you can always send some of your beautiful French notes my way! :smile
Dave, I bow to your experience and knowledge. I think the only thing we can do is classify the postmark as "unknown and unverifiable", and...
Really? The USPS is pretty strict with their postmarks. I think it is unlikely that a post office would have their postmark date off by one week....
I purchased the note with the Apr 12, 1976 postmark for $6.97 in Jan 2012, so it didn't bring much of a premium. Maybe most people didn't notice...
HOLY SMOLY! Is that your note, Steve? WOW.
I've never seen a Series 1976 $2 FRN First Day of Issue note with an Apr 6, 1976 postmark — That's a week early. Apparently, some notes must have...
Both are beautiful notes!
I received this Short Snorter this afternoon. [IMG]
You're right. That would make a "bookend" serial number.
[IMG] Example of Mis-Aligned Digit (almost 50%): [IMG] Example of "Stuck", "Rolled" or "Gas Pump" error: [IMG]
There was also the Series 1999 "Lucky 7's Note". [IMG]
I've seen the "flipper" serial number format also described as a "swimmer" or "swims note".
They are "flipper" notes. Serial number 09098100 flipped is 00186060, 19808010 flipped is 01080861, and 00086966 flipped is 99698000.
Separate names with a comma.