Green’s Dictionary of Slang

Moll Thompson’s mark n.

[the sign M.T. inscribed on empty packages]

used to describe an empty bottle.

[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: Moll Thompson’s mark M.T. i.e. empty, take away this bottle, it has Moll Thompson’s mark upon it.
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[[Ire]Cork Examiner 29 Nov. 4/4: Stores [...] which the Carmen could not find, and therefore, had to return to their deluded master, with Moll Thompson’s mark].
[UK]Hotten Sl. Dict.
[UK]Sl. Dict.
[Aus]Sydney Sl. Dict. (2 edn) 6: Moll Thomson’s Mark - M.T. empty. ‘The bottle has Moll Thomson’s Mark on it’.