It was the last time, too, when […] the races dominated the radio on Saturday afternoons and everyone had the number of an SP bookie. 1998, David Malouf, A First Place, Vintage, published 2015, page 196:
He was an atheist, a rationalist, a medical student of no great distinction, an SP punter, a singer of bawdy songs, an acknowledged expert in matters erotic. 1985, Peter Carey, Illywhacker, Faber and Faber, published 2003, page 157:
(abbreviation, alt-of, countable, initialism, uncountable) Initialism of selling price.
(abbreviation, alt-of, countable, initialism, uncountable) Initialism of skill point, special point, spirit point, or spell point; synonym of or alternative to MP/magic points, especially for games that lack magic or fantasy elements.