Hi,

Italian silver marks and hallmarks Kingdom of Naples. Kingdom of the two Sicilies.
With Decree No 723, January 26, 1832, to further differentiate the domestic from foreign production, the marks were modified adding to the profile of Parthenope the letter "N" for domestic ("Nostrale") .
8 for; 2nd silver fineness mark 834/000See:
http://www.silvercollection.it/NAPLESHALLMARKS.htmlIt could be:
Paolo De Blasio
assayer: Naples 1832-1835
(symbol through "N")
Peter