Chamber Music - Lot of 4 Playbills

Group of 4 playbills, 1 sheet (each one is printed on both sides), announcing chamber music concerts. Ensembles include the Amadeus Quartet, the Istomin - Stern - Rose trio, the Bach Aria Group and the Royal Swedish Chamber Orchestra. Various sizes, ranging from 6 x 9 inches to 7 x 11 inches, all in excellent condition.