5$ note showing HIN within a red circle

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Hi all.
I'v got a 5$ note numbered HNY8705394 which has a very strange stamp (or something of the like) consisting of letters HIN within a red circle of about 9 mm (between 5/16 and 3/8 of an inch) in diameter. It is very clear and look official.  

Assuming that it has been put there by the printing company (but I don't know),  I was wondering if it could have been placed there for internal use of some sort...

Any ideas, thoughts infrmation about something like this?

I never seen anything like that before... Could you post a pic of it? I would like to see it.

Here is an image of the interesting area. If you can't see the "stamp" on the image,
[highlight]use the scroll bar at bottom to slide to the right! [/highlight][/b]

The color of the "stamp" is pinkish red (in the image on my computer it looks plain red).




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I've had my hand stamped with something like that (to enter a function).  It looks like a stamp to me.

I also agree with walktothewater on this one.  It seems to be an ordinary stamp.  

I read something on this site (I don't remember where) about the internal use of some notes which are identified as such. I can't remember what was the method used.

To me, it looks like someone had a stamp and wanted to test it out and could not find any other paper to do it on...

Yes, I also think it's a stamp, but where does it come from?
My hope of having discovered a stamp used by the manufacturer is decreasing a lot. Sure, anybody can add a stamp on any note after it entered circulation, but I was wondering what the letters of that stamp mean...  

I typed HIN on google and got this...

Hot Import Nights

Healthcare Intelligence Network

Also got this at ask.com

WHAT IS HIN? The Hull Identification Number (HIN) system consists of a unique series of characters and numbers conforming to ISO 10087:1995(E).

Its a mystery we must solve!

Any chance it could also read NIH?  When I did a search on that all I came up with was National Institiute on Health. :-?

Your right  Rag Picker, it could also be NIH.
I found...
Northern Inyo Hospital

I would not think these places would make a stamp and then stamp them on notes.

It cannot be NIH as the letter N doesn't look good that way. Look at the serifs.
That's why I scanned the note upside down.

It could stand for anything with HIN or NIH in it. You can also turn it to the side and have it ZHI or HIZ.  

Probably stands for Heloise Inez Nachreiner a bank teller who has one of those rubber stamps attached to a pencil which she stamps on documents that she has handled.  Perhaps she bundled some notes together and stamped the bundle with her HIN stamp.

I think the lady you are referring to is Ms. Helene Inoize Neinracher...she used to work in the Fruit of the Loom garment factory inspecting men's underwear for quality control (such as sub-standard Y-front openings).  I know whenever I buy a new package of briefs I always find a little slip of paper that said "This garment has been inspected by:" - and underneath that would be stamped the initials of the inspector.

Nice to know Ms. Neinracher has moved up in the world  .