Five preparatory drawings representing : - Lot 288

Five preparatory drawings representing : - An "obelisk" clock in yellow gold, lapis lazuli, mother-of-pearl, diamonds and hard stone. Pencil and gouache on card. Numbered 10935. Size: 41x29.9cm. - A replica of the Vendôme Column in yellow gold, malachite and rock crystal. Pencil and gouache on card. Stamped with the "Van Cleef & Arpels Copyright" label. Size: 40x27.1cm (smudges). - An "obelisk" clock in yellow gold, malachite and rock crystal. Pencil and gouache on card. Size: 31.9x23.9cm. - An obelisk in yellow gold, malachite, garnet and decorative stones. Pencil and gouache on cardstock. Stamped with the "Van Cleef & Arpels Copyright" label. Size: 40.9x32cm. - An obelisk in yellow gold, diamonds, lapis lazuli and decorative stones. Pencil and gouache on card. Numbered 10783. Size: 65x49.9cm. (Folds, tears).