Lithograph, Lithographed
Contraction Litho. Stamps printed from designs drawn or transferred upon stone, or in modern practice on metal surfaces substituted for
Line-Engraving
Engraving with incised lines, as in steel or copper-plate engraving. In philately the expression "line-engraved" is applied to a stamp
Laid Paper
With a texture of lines close together, usually with other lines crossing them wide apart.
Knife
The shape of the blank paper cut out to be folded into envelope form is called the knife.
Key Stone
Lithographic stamps printed in two or more colours are printed from two or more stones. The first stone bears the
Key Plate
The plate bearing a common design for a series of stamp denominations, or for groups of colonial stamps, but leaving
Keyed
A term used in Plating (which see) where a pair, strip, or block is found to key-up with a position
Jubilee Line
As a protection against the wear of typographical stamp plates at their edges, a rule was added round each pane
Jubilee
The word has come to be used broadly for commemorative stamps, but is preferably reserved for such stamps as mark
Ivory Head
The blue discoloration of the paper in early British stamps (see Bleute) produces some curious vagaries best seen from the
Issue
The word is used in its several dictionary senses, e.g. a stamp is issued or withdrawn from issue; a group
Irregular Perforation
A perforator whose pins or punches do not gauge uniformly throughout its length.
Inverted Watermarks
May derive from a similar inversion of the paper before printing, but stamps printed for issue in booklet form in
Inverted Surcharges
Occur in much the same way, whether the surcharge is added in a printing press, or by hand-stamp.
Inverted
Turned upside down. Stamps printed in two colours or requiring two printings sometimes have one of the impressions inverted, through