The philatelic purse given prices according to color (minth) and the centering of the stamp.

New:

• S (Last nine - Superb) Perfectly center, fresh color.
• N1 (Last nines - the 1st quality) Without hinge, well center, equal margins. (VFNH).
• N2 (Last nines - the 2nd quality) Without hinges, margins unequalled on one or two dimensions compared to the other. (FNH).
• N3 (Last nines - the 3rd quality) Without hinge, not center, the serration touches the drawing on one or two dimensions.
• N (Last nines - With hinge), 4 margins visible.

Uses:

•  S (Last nine - Superb) Perfectly center, fresh color. , light stamped
• U1 (Use - the 1st quality) Well center, equal margins, light stamped.
• U2 (Use - the 2nd quality) Margins unequalled on one or two dimensions compared to the dimension opposes.
• U3 (Use - the 3rd quality) Not center, the serration touches the drawing on one or two dimensions.
• U (Use) average centering, 4 visible margins.

Note:

 The stamps stamped by an understandable circular seal mentioning the date and or the the city sending are not current in every country and order one been worth more equalize has that accorded to a new stamp without hinge. (1851 1928 only).

For the purist, a true stamp use is that which was stamped during the period where this stamp was available in the post office.