The makersmar IK. is not in Scheffler,
there is a Makersmark
I.Korn (#461, no 2288).
This box is from 1842-1847 (K/B).
Recent research has revealed that this mark, long attributed to Papus & Dautun, actually belongs to an entirely different Lausanne maker: Jean-Philippe Delacour (1768-aft. 1824).