Dutch silver flat candlestick filled with wooden base, made out of a (very) thin silver sheet.
Dutch hallmarks. Clearly not the British lion but the remnant of the, Dutch lion, walking right above 2, 2nd standard mark silver .833 fineness (used 1814-1953). Unclear remnants of a Minerva head (office mark) and a year letter (A for 1910?). Unclear remnant dutch maker's mark in a square. Check out Firm J. M. van Kempen & Zonen, city of Voorschoten in the Netherlands, date entry 1858-1924. VK under crescent moon between two dots.
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The maker's mark on your candlestick

The maker's mark J. M. van Kempen & Zonen

Engraved
Mr. Willy 21 Jan 1919 (Mr. probably for a master of law)
If you Google
Kaarsen-online.nl you can find candles with various diameters including 4 cm.
Peter.