They were topped with a large centre bow edged with red glass bugle beads, crystals and three emerald shaped crystals.

BBC: Wizard of Oz ruby slippers set for UK display

As the road climbed into the forested folds of Misiones's central sierras, the colors seemed unnaturally bright, the saturated emerald of grass and leaves standing out against the earth's deep, rusty red.

WSJ: Bird Watching in Misiones Province, Argentina

Christie's will also feature striking Mughal jewelry from India, including a double-faced emerald, diamond and enamel turban ornament, which is white and green on one side and red and green on the reverse (350, 000 francs-550, 000 francs).

WSJ: Collecting: In Geneva, All That Glitters