Hi and welcome to the forum.
London 1853 is correct although it could have been made in 1854 as London date letters changed at the end of May in the following year. The maker's mark is that of Edward & John Barnard:
The scratch marks may be inventory, or possibly pawnbroker's, marks. A later engraving is not totally unusual; the goblet may have been completely plain before being engraved for its presentation.
Phil