Principality of Montenegro
Књажевина Црнa Горa - Knjaževina Crna Gora
1902, 1st (O.S. 14th) July.
Definitives depicting Prince Nicholas I.
Michel Catalogue Number: 41 - 49
Stamp Number ME 57-65Yvert et Tellier ME 49-57Stanley Gibbons ME 102-110