The cost of a post card stamp in 1990 was 15 cents. For first class it was 25 cents. It stayed at that rate until February if 1991 when postcards went to 19 cents.
In 1990 a first class stamp was 33 cents. A post card would have been 20 cents.
$.30
In 1996 the stamp was 32 cents. For a post card you paid 20 cents.
A postcard is $.28.
1 Euro
In 1936 a first class stamp was 3 cents. A post card cost 2 cents to mail.
A first class stamp was 3 cents in 1923. A post card would cost you a penny.
POST CARD stamps, as of May 12, 2009 are up to .28 cents.
At that time a first class stamp was 37 cents. And a post card cost 23 cents.
90 cents stamps are used
In April 2010 a first class stamp was 44 cents. A post card was 28 cents.
The postage rate for a standard card was 32 cents after 22 January 2012.