Candid photograph of the French cellist with the English conductor Charles Groves (1915–1992) and Groves's son Jonathan (who both did not sign).  Mounted and matted, with inscription to lower margin to English orchestra manager John Charles, "To John Charles, with best wishes and sincere friendship. Pierre Fournier."  The persons are identified in the upper margin, probably in Charles's hand.  11.25 x 8.5 inches (28.3 x 21 cm).  In fine condition.