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.
There are many different things that can cause a rash on the lips. It depends on where the rash is--is it on the actual lip (including what is referred to as the vermillion border) or is it just above the lips or around the lips (ie, peri-oral)?