Cinderella stamps

adhesive label used to collect taxes or fees

labels (not stamps) placed on mail during Christmas; issued by private organisations

stamp issued for purposes other then providing postage

official currency of the Principality of Sealand

set of stamps

small paper coupons given to customers by merchants in loyalty marketing programs

stamps intended solely for the prepayment of telegraph fees

label used to indicate that a letter is to be sent by airmail

stamp issued by a government or other body to enable small amounts of money to be saved over time

label resembling a postage stamp that is sold by charities to raise funds

Mail service operating within a limited geographical area

stamp issued to pay the cost of the conveyance of a letter or parcel by rail