Never hinged

Never hinged - a stamp with gum undisturbed by the presence of a hinge.

Never hinged: A stamp which has never been hinged.
O
Obliteration: Cancelation intended to deface a stamp.

Never Hinged (NH): A stamp without hinge marks. A never-hinged (NH) stamp usually has original gum, but this is not always the case.

Never Hinged (NH) - A stamp without hinge marks.
New Issue Service - Refers to a service that automatically supplies subscribers with new stamp issues of a given country, area or topic.

Never Hinged: A stamp without hinge marks. Usually a never-hinged stamp has original gum, but this is not always the case.

Mint Never Hinged
Mint Never Hinged refers to the gum on stamps that have gum without a fingerprint, blemish or mark of any kind. This is the preferred condition in which to save Mint PNCs.
Miscut ...

- Never Hinged, a stamp that has its original gum and it is usually considered as mint stamps.
After the stamp gum, determine the stamp perforation condition. The perforation conditions are: ...

mint, never hinged (nh) unless otherwise noted
(some blocks may have 1 or 2 staple holes in the margin)
Stamps which have been added or restocked in the last 45 days are marked as
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NH. Never Hinged.
Official. Stamp or stationery used to pay postage by a government agency.
Offset Printing. A printing process that transfers an inked image from a plate to a roller, the roller then applying the ink to the paper.

Mint, never hinged (MNH): stamp with undisturbed original gum.
Mint set: a complete mint set of all stamps in a specific issue.
Mint sheet (MS): a sheet of stamps in the original condition as issued by postal authorities.

Figure 1. "Mint, never hinged" means gum that is post office fresh and undisturbed, such as the gum shown on the back of this modern U.S. definitive stamp. Click on image to enlarge.

NH means "Mint, Never Hinged", and is often indicated (in auction catalogs, for instance) by a pair of asterisks (**). It means the stamp is unused, and its gum has absolutely no disturbance of any sort. Post Office fresh.

- Abbreviation for unmounted mint, never hinged.
Un. - Abbreviation for unused.
Uncat. - Abbreviation for uncatalogued.
Uncatalogued - This usually means it is known to exist, and is listed in the catalogue but unpriced.

That may sound odd to the neophyte collector, but respected catalogs have two prices for stamps: the low price for hinged and the high price for never hinged.

Never hinged stamps prior to that are from collectors who put stamps in glassines but never got around to hinging them in their albums, or from unsold dealers stock in glassines or stockbooks.

It really is quite inexpensive to build an impressive collection of United States stamps from about 1930-1970 (Mint, never hinged).

I never thought about "never hinged stamps," as I hinged everything. It didn't make much difference to me because I knew I didn't have anything of value. I collected stamps for perhaps a couple years and then put them away because of other interests.

Nevertheless, many collectors of unused stamps want copies that are mint, never hinged which means that the gum must be pristine and intact, and they will pay a premium for these.

To know if a stamp is never hinged or has been regummed or had a cancel removed.
To know if a stamp has been repaired or has hidden flaws
To know if an item has been reperforated or perfs have been trimmed to resemble a coil or imperforate stamp.

N.H. - abbreviation for 'never hinged'. A stamp without hinge marks.
Nibs - small paper adhesions on serpentine die cutting self-adhesive roll between stamps to keep adjoining stamps together while wound and stored on a coil roll.
Nibs ...

See also: Hinged, Hinge, Stamp, Mint, Used