In America most daguerreotypes were held in cases. Luckily, as the following described qualities show, wirephotos are easily identified and dated. The photos are fiber based matte surface instead of glossy both on front and back, which is unlike the other color photos. No Borders. The salt print, where the fibers can be seen, was used before the albumen prints. The most common style of case is ornamental and folds together like a box, often with a small latch on the side. The platinum print, also known as platinotype, is a premium process that produces high quality images.
How to spot a carte de visite (late 1850s–c.1910)
Some had several lenses, which could be uncovered either individually, or all at the same time to give 4 or 8 photographs on the same plate.
Inexpensive Cartes de visite
Photographic style or type: A 30 years later reprint authorized by the photographer or her estate is official. Most press photos are easily identified due to text on the photo.