seal
object bearing designs, emblems, letters, names, words, etc. in intaglio used for making an impression in relief on substances such as clay or wax or for stamping a flat surface
cylinder seal
form of seal used in ancient times to roll an impression onto a two-dimensional surface
signet ring
finger ring made with a signet or seal
Seal of the President of Ukraine
official seal of the president of Ukraine
stamp seal
carved object, usually stone, used to impress their carving into soft material such as clay
non-official version of a coat of arms
non-sovereign signet that resembles an official coat of arms and, unlike the latter, can be freely used by anyone