lthough real photo postcards were made in a variety of ways, they hold one identifiable feature in common.
The tonalities of photos are completely continuous to the eye producing true greys, for they are created by the reaction of individual photosensitive molecules to light rather than the transfer of ink from a plate.
Though the first documented photo postcard was mailed in 1899, the style wasn’t firmly established until Eastman Kodak began selling Velox photo paper with a pre-printed postcard back in 1902. 3A Folding Pocket camera, which used film specifically designed for postcard-size prints.
Amateur photographers were now able to have their own images printed directly onto postcard paper and send them through the mail.
Does your card have the words "Private Mailing Card, Authorized by Act of Congress on May 19, 1898" on the back?
The words "Post Card" were not printed on postcards until December 24, 1901.
If the postcard is used, the most check the date on the postmark.
Stereoviews were cheap photographs that simulated a 3D view.
In the 1880s, various companies decided to mass-market stereoviews that featured pictures of foreign locations to homes and schools.
Daguerreotypes dominated the field of photography until the mid-1850s.
Most daguerreotypes were studio portraits, where the subject posed for the photograph at the photographer's studio.