RECENT SALES AT CHRISTIE’S LONDON resulted in new auction records for British-Nigerian artist Joy Labinjo and Dallas, Texas-based Jammie Holmes, two up-and-coming artists garnering increasing attention after receiving institutional recognition. Aboudia, who splits his time between his native Abidjan, Ivory Coast, and Brooklyn, N.Y., also set a new high mark. Labinjo’s “No Wahala” (2019)...