Help needed please to identify one particular silver hallmark on a sterling silver butter dish.

[handy1441]

Help is needed please to identify one particular silver hallmark on a sterling silver butter dish.  The mark shows a large W encircled by a wreath of leaves.  Thank you.

[eburtonlab]

You may want to post this with an image on one of the discussion boards such as Collectibles & Art to get the benefit of the collective experience of the users there:

https://community.ebay.com/t5/Collectibles-Art/bd-p/29

Only a handful of users regularly read and can respond here on the Ask A Mentor board.