Ink

Ink and paper varieties of the 1960-63 Floodlit Castle issue. Ernest G Taylor. Dec/1980, p. 40.

- Gold

Fool's gold. Alan J Knight. Mar/1991, p. 16.

Insects (see also Beetles.)

Insurance

Security and insurance for collectables. J Barry Horne. Sep/1994, p. 60.

Insured Mail

Refused insured letters. Maurice Buxton. Jun/2012, p. 32.

International Brigade in Spain

Unlisted and little known varieties of stamps of CSSR 1945 to-date. Ernest G Taylor. Sep/1983, p. 33.

International Philatelic Federation (see FIP.)

Irkutsk Issue (see Field Post - Siberia - Silhouette Issue.)

Issue Dates

- Slovakia

Issue dates of Slovakia commemoratives. James William Negus. Jun/1986, p. 15.

Istanbul

Some stamp shops of Istanbul. Robert J Hill. Dec/1995, p. 82.