Frederic was the 1935 Nobel Prize for Chemistry recipient; Irene was his wife and the daughter of Marie Curie. Two blocks of three Alfred Nobel postage stamps, 2.75 x .75, each affixed to an off-white 5.25 x 3.25 Russell G. Silvius autograph collection cards, signed across the stamps in fountain pen ”F. Joliot Curie,” and “I. Joliot Curie.” In fine condition, with a bit of light contrast to small portions of signature. RRAuction COA.
