Everyone is aware of great and consecrate contribution the Mekhitarists made in the development of Armenology. Their contribution was also huge in the development of Armenian numismatology. This sphere of rich, old Armenian culture attracted the Mekhitarists and they were the first to make own research works exposing to the public the verifying coinages of true, Armenian, national testimonies not only of Artashesian dynasty but also Kilikia.  Those coins were in turnover in many different, historical eras of Armenian national existence. The founder the Armenian numismatology at the Mekhitarists Order in Vienna Fr. Clemens Sibilian later Fr. Hagopos Dashian, Fr. Augustinus Sekulian were those who created in different periods of time aiming the same though.  With their living works they spurred strongly Armenian numismatology collecting, investigating and preserving Armenian and foreign coins by the consent and riches to our past and present. This article is devoted to three consecrate numismats in gratitude for their tireless toil.