Hugo Schaper (Berlin) boxed Set

British Silver What's it worth?
1

Silver (0.800) Ornate Knife & Fork Set by Hugo Schaper (Berlin,Germany) in original signed box.
Fork weight 114 gramm , 25 cm long ; knife weight 120 gramm , 27 cm long.

I’m looking for information on similar work by Hugo Schaper?
Furthermore , I would be grateful for information about the auction which offered the same or similar set?

Thx.
Regards
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2

Fork and Knife has been made by german manufacture KOCH & BERGFELD , as shown on picture below.
Regards
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