Hello.
The center mark with a lion is Dutch fineness mark for .833.
The T in a circle mark is a date mark for 1929.
http://www.925-1000.com/Fnetherlands_Date_Code.htmlThe maker's mark on the left was used by J. Veerhoogt of Hoorn.
The fishing boat in the first picture below was made by J. Veerhoogt.
Pat.