Lot 20199 – 1924 Paris Olympics die proof of the essay of the 30c value showing an athlete doing the Olympic salute

1924 Paris Olympics die proof of the essay of the 30c value showing an athlete doing the Olympic salute, in green in sheetlet format on glossy paper, with pen corrections to the frame and sketches in the margin showing proposed changes to “RF” and “30”, signed by the artist “Etat / E. Becker”, a unique working essay, copy of the cert. Calves (1987), ex Manfred Bergman.