Cards cut to a8 paper size can still sometimes be found.
Download 8 1/2 X 13 Paper Size Background. In most parts of the world it has been supplanted by the iso a4 (210 x 297 mm, 8.3 x 11.7 inches) standard size, or the united states sizes letter (8.5 x 11 inch. All poster frame size are defined by the paper insert size.
Set Up And Print A Letter Sized Booklet Or Newsletter Publisher from support.content.office.net
In victorian times a visiting card would vary between 3 3/8 x 2 1/2 and 2 1/4 x 1 3/8. This standard of paper sizes is used in all countries of the world except north america (usa and canada). In most parts of the world it has been supplanted by the iso a4 (210 x 297 mm, 8.3 x 11.7 inches) standard size, or the united states sizes letter (8.5 x 11 inch.
In other words, the width and the this aspect ratio is especially convenient for a paper size.
In victorian times a visiting card would vary between 3 3/8 x 2 1/2 and 2 1/4 x 1 3/8. For your reference we have included below a table detailing the physical size of all the common paper sizes that are in use for the printing of photographic images. A4papersize.org shows the a4 sheet dimensions in centimetres. However we can provide cut to order paper sizes for all of our range of papers.
