Stamps of Montenegro, 50pa denom
1 to 5 of 5
postage
1907, Jun 1 unwmk (no perf info)
| - | 50pa | dlvio | Prince Nicholas I |
1910, Aug 28 proclamation of kingdom issue
| - | 50pa | vio | Prince Nicholas I in 1890 |
1913, Apr 1 1913 issue
| X | 50pa | turqbl | King Nicholas I | .20 | .20 |
postage due
1907
| X | 50pa | grn |
1913
| X | 50pa | lilrose | King Nicholas I |
1 to 5 of 5