Left to right.
Crowned O, Kingdom of Holland (1807-1812) duty mark of 1807 (O = onbelast). Crowned E (étranger) import and duty mark French Empire (1809-1819). Crowned V, Kingdom of the Netherlands duty mark for foreign and other untaxed objects, used 1814-1893.
CL maker's mark of
Cornelis
Littel, registered in Schoonhoven 14-10-1796 till around 1812. Town mark of Schoonhoven, four lions rampant facing left in square used 1805.
M in square, year letter Schoonhoven for 1805.
Cornelis Littel; baptized Schoonhoven 02-08-1767, died Gouderak 19-09-1819. Cornelis was a silversmith and shop keeper in Schoonhoven. Cornelis married Schoonhoven 23-08-1807 with Elisabeth de Bruijn; baptized Bleiswijk 20-09-1767, died Gouderak 02-10-1836, daughter of Johannes de Bruijn and Petronella van der Pol.
Peter.
Source;
Waarborgholland, ˜Netherlands' Responsibility Marks since 1797, Zilversmeden van de Stad Schoonhoven by S. A. C Begeer, E. Hak & L. Linhart-du Cloux.
Genealogieonline