www.925-1000.com

i would like to know the age of this dutch cup,
i will also be happy to know who is the maker of it .
it is 10 cm high and 100 grams in weight
thank you all very much

Hi, see: Van Kempen & Zonen/Kempen & Begeer & Vos/Koninklijke Nederlandse Edelmetaalbedrijven.
K.B above V for Kempen & Begeer & Vos, Koninklijke Nederlandse Edelmetaalbedrijven, registered in the Dutch cities of 's Hertogenbosch, Utrecht and Voorschoten. This particular mark used 1920-1931.
viewtopic.php?f=5&t=28590#p70305
Year letter capital K for the year 1920
For Dutch (hall) marks see:
viewtopic.php?f=5&t=32028#p80265

Best,

Peter.