Stamps With Words And/Or Numbers As The Main Design

Colombia
Bogotá - Latin American Capital of Spanish Culture
October 23, 2007
Set of three, one stamp shows text Bogotá 2007 Capital Iberoamericana de la Cultura.

Jersey
EUROPA - Think Green
May 3, 2016
The 74p, 76p and £1.00 stamps in this set use words and phrases related to sustainability and the environment. The words are arranged in the shape of a head, the island of Jersey and a globe.

This Portuguese computer-vended stamp honors 150 years of humanitarian action by the International Red Cross Committee. Oddly, there is no red cross logo used on this stamp.

Sultanate of Oman
15th October 2004
White Cane Day

The stamp features embossed braille characters

Bosnia and Herzegovina (Serbia)
70 years of Glas
July 30, 2013
The stamp shows a page of the newspaper.

Switzerland
EFTA 50 Years
September 3, 2010
The design shows text 50 YEARS and EUROPEAN FREE TRADE ASSOCIATION.

Thailand 1983. This stamp commemorates 700 years of the Thai alphabet.

In February 2007, Spain issued two computer-vended stamps inscribed "2006 Year of Historical Memory". These stamps were produced in anticipation of what is known as the Historical Memory Law. This law helped the nation come to grips with injustices of the civil war and the Franco regime. Stamp is Michel #172.

Brazil
Media
March 25, 1974
Set of three, the stamp representing press shows the word IMPRENSA in repeated pattern.

The design of this 1993 stamp of Liechtenstein consists of the words of Austrian (Prague, Czech.) poet and writer of prose Rainier Maria Rilke.

Portugal
250 Years of the Imprensa Nacional
October 24, 2018
Set of two, one stamp shows text flanked by stylized books.

San Marino
Juventus Italian Champion
October 16, 2018
The stamp shows the logo #MY7H.

This 1987 stamp from the Republic of South Africa (RSA) honors the Bible Society. "the Bible" is repeated across the stamp in 81 different languages used in South Africa. Wikipedia states that there are 35 commonly used languages in RSA. Note that Afrikaans is the first language listed , and English is the last.

This March 9, 1984 set from the Republic of South Africa commemorates the installation of the 1983 constitution, which further institutionalized the country's apartheid situation.

From Wikipedia, "Among the 1983 constitution's most controversial provisions was the establishment of the Tricameral Parliament, a legislative arrangement that would permit the Coloured and Indian race groups to be represented in parliament on a segregated basis, and the abolition of the office of Prime Minister in favor of an executive State Presidency under the ruling Prime Minister P. W. Botha."

The centennial of the publication of "Die Afrikaanse Patriot", the first Afrikaans language newspaper, is the subject of this precisely engraved 1976 stamp from South Africa.

From Wikipedia, "The newspaper would, however, lose much of its readership in 1892, when it endorsed Cecil Rhodes in its conflict against the president of Transvaal, Paul Kruger."