Green’s Dictionary of Slang

1. as proper name, Bob.

1884

Sporting Times 29 Nov. 1/1: Touch Me On The Nob. He has olivered. He took his daisy roots off his plates of meat and threw them in my chivy.

2. one shilling (5p).

1895		Mirror of Life 27 July 14/2: ‘I'll bet a wheel or touch me, / He’s some broady in his sky’.
1910		Eve. Teleg. (Dundee) 3 Aug. 4/1: He borrows a 'touch me' from a pal [...] 'touch me on the knob' (bob or shilling0.
1923		Advertiser (Adelaide) 20 Oct. 20/9: The same coin [i.e. a shilling] is also known as a ‘touch-me’, short for ‘touch me on the nob’, the rhyming slang for bob.
1938		J.B. Booth Sporting Times 89: An’, s’elp me, I’d ‘ardly got a touch-me in my sky, much less an amesjay to pay for me saint an’ sinner!