Old and new can anyone help?

[Bartholomew]

English electroplate silver: marks and hallmarks of British silver plate: Ep-Ez

EP = Electro Plated.

How to clean silver

The best method for cleaning silver depends on several factors, most notably whether the item is Solid Silver or Silverplate. This is because some methods of cleaning solid silver are too abrasive for silverplate. Before following any of the suggestions in this forum, make sure you know whether your item is silver or silverplate. If necessary, refer to our guide How to distinguish between solid silver and silver plate