Pioneer
Era
The earliest American postcards appeared
at the Colombian Exposition in Chicago in May 1893. These rare cards
are labeled 'Souvenir Card' or ' Mail Card'
Private
Mailing Era
This era started on May 19,1898 when
the government authorized the printing and sale of post cards. These cards
are labeled 'Private Mailing Cards'.
Post
Card Era or Undivided Back
December 24, 1901 saw the first use
of the phrase 'Post Card' printed on a card. These cards are also known
as Undivided Back. As with all the previous cards, the entire back
of the card was reserved for the address. If any message was written, it
was not allowed on the same side with the address, but had to appear on
the face of the card. Writing on the face of a card normally reduces it's
value, but for these early cards it is becoming more acceptable.
Divided
Back Era
On March 1, 1907 the appearance of
the familiar center line, providing a space for address and message on
the backs of post cards appears.
White
Border Era
World War I was the reason for the
next phase in the evolution of post cards. Most post cards up to
this point had been printed in Germany. They were the finest lithographers
in the world. When we went to war, we stopped trade with Germany. The new
era in cards is named for the white margin surrounding the image on the
card. Our printing was of very poor quality and would not improve noticeably
until World War II.
Linen
Era
The high rag content and the linen
texture to the paper give this period it's name. The improved quality in
printing technology, and better quality paper was offset by the cheap brightly
colored inks used. Originally ignored by collectors, these card from the
30's and 40's are becoming very popular.
Polychrome
Era
Theses glossy cards are printed on
a press, but have a photo like appearance. First appearing in the late
40's they are the popular cards of today.
Real
Photo
This category started around
1900, and continues today. These post cards are actually photographs, processed
in a darkroom, then imprinted with the postcard back. They usually were
printed in very limited quantities. Topics range from proud homeowners
sitting on their porch, to local events like circus parades, or disasters.
These very desirable cards can be very hard to date unless postally imprinted.