"If it shows Sch.P., this is black powder."

Mike: I have no knowledge of other than Belgian proof marks, but the Lion over SCH or EC was the optional smokeless powder proofs used 1891-1924 for "Schultze" or "EC" powders, both of which were most certainly Bulk Smokeless Powder.



We've also seen Belgian proof with the Lion over M for Mullerite (another 42 gr. Bulk Smokeless) and Lion over E.C. no. 3; a 33 grain Smokeless