That's quite nice, thank you... 2011/10/18 Werner Presber <wernerpresber at yahoo.de>: > These postcards cost 1¢ to mail. Postage was temporarily raised to 2¢ from > 1917 to 1919 to cover the cost of World War I & from 2925 to 1928 (not sure > the reason for the latter). > > http://www.usgwarchives.org/special/ppcs/ppcs.html