Sminky
I have in my notes that 'Commercial Man' appeared in an Era 1864 entry. It can only have come from you. 1864 also fits with the serial number 519. Its first line is 'Tom Brown was a man you don't meet every day'.
OLIS has a copy of the original.

Looking at Nash's repertoire in Kilgarriff he also sang 'The Concertina Man'. Anybody got a copy of that one?