Rare 18ct yellow gold "Tiffany" Datejust from 1986 with Tiffany stamped Rolex certicate. The most collectable Datejust dials ever produced were made especially for New York's favourite jeweller. This sapphire crystal example from 1986 is in perfect condition, with a crisp clean, blemish-free dial, fluted yellow gold bezel and elegant gold Jubilee bracelet. Collectors are having to work harder and harder to secure original rare dial Datejusts & Day-Dates than ever before, and prices in recent years have been increasing reliably year on year.