Your image of marks twice, once rotated.
After careful consideration, looking at the weak unclear town mark with dots, the town mark of Haarlem springs to mind, being a sword flanked by two stars under a cross and crown. The (unclear)provincial standard mark for Holland, being a lion rampant under a crown and the year letter Z for Haarlem 1734. The maker's mark ɪV
could be for Jan Verdoes, registered in Haarlem 1734-1768 a known maker of teapots, tea caddies and brandy bowls. Right corner image Tremolirstich
(zig-zag line) made by assayer to determine silver standard (934/1000)Haarlem town mark and province standard mark 1734-1735The marks of Jan Verdoes
. NB his mark can also be encountered as a falsification.Haarlem year letter Z for 1734 1st & 2nd standard with town mark uncrownedThe marks on a silver tea caddy attributed to Jan Verdoes;
It appears the same worn/damaged town mark punch used.
Please judge for your self Fake or Fortune
Source; Haarlemse zilversmeden en hun merken (Dutch Edition).
k. A. Citroen