1 Unmounted mint (UM) â the stamp is unused and appears never to have been mounted. 2  Mint never hinged (MNH) â the same as unmounted mint but with an assertion that the stamp is not a formerly mounted stamp that has been tampered with to remove traces of mounting.
vermilion zone, n the external darkish area of the upper and lower lips, extending from the junction of the lips, with the surrounding facial skin on the exterior to the labial mucosa within the oral cavity.
The vagina has no lips. The vagina is the birth canal, not the outside parts that you can see easily. The outside parts is called the  vulva, including the outer, major 'lips', called the labia majora, and an inner, small set of 'lips', called the labia minora.