o.n.o.

abbr. Brit. or near offer.

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ONO (no periods) or o.n.o.,

or the nearest offer (used of an advertised selling price especially in a classified advertisement).

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o.n.o. [o.n.o.] abbreviation (BrE)

or near/nearest offer (used in small advertisements to show that sth may be sold at a lower price than the price that has been asked)

•

Guitar £200 o.n.o.

see also ↑o.b.o.