A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
X: 1. Scott Catalogue numbe prefix for Postmaster’s Provisional (Bermuda, U.S.)
Xaptoehmon: (Gr.) Greece tax stamps, 1917
Xell: auction term used for cancel
X F: Extra fineXî Hân: (Chin.) rarity
XII Campionaria Tripoli: Twelfth Tripoli Fair, Libya, 1938
Xingu: label created forbook, ABC’s of Philately, as the “X” stamp
Xmas: large cross and “MAS” on British cancels for mail to be delivered on Christmas Day, 1900s
XMAS 1898: inscriptionon Canadian map stamp, not a Christmas issue, but dated for theinauguration of Imperial Penny Postage in the British Empire, December 25, 1898
Xpresspost: Canadian shipping service forcoduments and parcels to Canada, U.S., and 17 European countries
XR: Scott Catalogue number prefix for Postmasters’ Provisional Revenue, Reykyu
X-Rayed for Safety: marking on mail addressed to theU.S. State Department aproximately between 1974 and 1982
XU: Scott Catalogue number prefix for Postmaster’s Provisional Envelope
Xylography: engraving on wood, the British 1854-59 stamps of Queen Victoria were individually engraved to form the major plate of 50
impressions.