Silverplate mark help?

Is anyone familiar with this silver plate mark. I found this as an unknown on the 925 site. Is there any new info in the field regarding this mark? They state unknown USA.

Mark
app5.sellersourcebook.com/users/ … mark_2.jpg

Tray and pot
app5.sellersourcebook.com/users/ … 5213_2.jpg

app5.sellersourcebook.com/users/ … 5213_2.jpg

Thanks for any help offered.

Lisa