Bailiwick of Guernsey from sea level to at Le Moulin on Sark. There are many smaller islands, islets, rocks and reefs in the Bailiwick. Combined with a tidal range of 10m and fast currents of up to 12 knots, this makes sailing in local waters dangerous. The Bailiwick of Guernsey is a separate jurisdiction in itself, and is in turn also three separate sub-jurisdictions. It does not form part of, and is separate from (but is not independent of, or from) the United Kingdom. The two Bailiwicks of Jersey and Guernsey together make up the Channel Islands. The Islanders have never had formal
Postage stamps and postal history of Guernsey the 1950s Guernsey used British regional stamps marked specifically for use in Guernsey but valid for postage throughout the United Kingdom. Guernsey has issued its own stamps since the creation of Guernsey Post, 1 October 1969. The Bailiwick of Guernsey incorporates Alderney, Herm and Sark which all used the Guernsey issues from 1969. From 1983 Guernsey began issuing specific stamps designated Alderney for use in that island which are also valid throughout the Bailiwick of Guernsey.. In 1998 postage stamps were issued without a price stated on the stamp, the terms "Local" and "UK" being used to distinguish the values.