Green’s Dictionary of Slang

(UK Und.) a financial summary or account produced without detail and demanded as a lump sum.

c.1698		B.E. Dict. Canting Crew n.p.: Altemall, altogether.
1725		New Canting Dict.
1737		Bailey Universal Etym. Eng. Dict.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue n.p.: Altamel, [...] A verbal or lump account, without particulars, such as is commonly produced at bawdy-houses, spunging-houses, &c.
1811		Lex. Balatronicum [as cit. 1785].
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue [as cit. 1785].
1859		Matsell Vocabulum 8: altemal All in a heap, without items; the sum total.