Lot Essay
See Pierrette Jean-Richard, L'Oeuvre Gravé de François Boucher dans la Collection Edmond de Rothschild, Paris, 1978, vol. I, p. 165, fig. 561 for the derivation of the first from an engraving by Jean Daullé, and p. 241, fig. 929 for the second from an engraving by Claude Duflos, le Jeune.
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