on memo
adv. phr.— «“Whether he was selling shoe laces or wine bottles or jewelry, you had that sense of credibility.” Mr. Esmerian, an early believer, gave Mr. Leighton jewelry “on memo,” or on consignment, to sell.» —“Leighton’s Goodbye is Christie’s Gain” by Lindsay Pollock New York Sun (New York City) Oct. 7, 2004. (source: Double-Tongued Dictionary)