Hallmark and number 64

[Madhatterrus]

Hello,

I'd appreciate any info on this hallmark and maker's mark.
It has a Birmingham anchor, the date letter is rubbed, the maker's mark looks like HIM or HTM and I could not find any info on the internet. But what I'm more curious about is the number 64 next to the maker's mark. Any help on this, please?

Thanks!

[oel]

Hi,

Could you please show us the anchor for Birmingham?
Oel.

[Madhatterrus]

Hi,

Could you please show us the anchor for Birmingham?
Oel.

Hi,
Thanks for stopping by. Unfortunately I cannot capture the anchor with my old camera, it's the punch between the maker's mark and the lion, almost worn off but visible under a jeweller's loupe.

[Madhatterrus]

There is another set of marks on the stopper, but I think it may be a replacement, it has a different maker's mark, also illegible.