Vintage Mappin & Webb? Silver/silverplate (2) napkin rings/holders

Description

Estate obtained is this pair of Silver/Silverplate napkin rings.  They came in a Mappin & Webb box. They are unmarked. I do not know if they are silver or silverplated - as such they are being sold as silverplated. Each ring has an inner liner of a velvet like material to retain the napkin. The outside diameter is 1 1/2".  Shipping in the lower 48 is .99.  Auction to be paid for within 48 hours of it's completion.  Thanks.