Originally Posted By: ellenbr
The marks on the flats fall in the 1904-1925 era. But just ahead of the flats on the underside of the right Delcour-Dupont(6.06.1921?? trademark-not Doumoulin?) sourced tube is the stamp of a crown over the interlaced "BP" beside a set of inverted crossed scepters and a "c". I have a Turner with the same contrasting floorplate.

Kind Regards,

Raimey
rse


Sir, please elaborate. What is Delcour-Dupont? How come the date 6.06.1921? What does crossed scepters mean?