Conlie was a training camp for soldiers in the Franco-Prussian war. Cards showing images increased in number during the 1880s.
The cards had a lithographed design printed on them containing emblematic images of piles of armaments on either side of a scroll topped by the arms of the Duchy of Brittany and the inscription "War of 1870. Images of the newly built Eiffel Tower in 18 gave impetus to the postcard, leading to the so-called "golden age" of the picture postcard in years following the mid-1890s.
This was known as the "undivided back" era of postcards.
From March 1, 1907 the Post Office allowed private citizens to write on the address side of a postcard.
A postcard or post card is a rectangular piece of thick paper or thin cardboard intended for writing and mailing without an envelope. There are novelty exceptions, such as wood postcards, made of thin wood, and copper postcards sold in the Copper Country of the U. state of Michigan, and coconut "postcards" from tropical islands.
In some places, one can send a postcard for a lower fee than for a letter.
The card design featured a large letter spelling of a state or place with smaller photos inside the letters.
The design can still be found in many places today.
The rag content in the card stock allowed a much more colorful and vibrant image to be printed than the earlier "white border" style.In the United States, the custom of sending through the mail, at letter rate, a picture or blank card stock that held a message, began with a card postmarked in December 1848 containing printed advertising.The first commercially produced card was created in 1861 by John P.Due to the inexpensive production and bright realistic images they became popular.One of the better known linen era postcard manufacturers was Curt Teich and Company, who first produced the immensely popular "large letter linen" postcards (among many others).
Stamp collectors distinguish between postcards (which require a stamp) and postal cards (which have the postage pre-printed on them).