From a drawing in 'Danmarks Riges Historie af J. Steenstrup, Kr. Erslev, A. Heise, V. Mollerup, J. A. Fridericia, E. Holm, A. D. Jørgensen', 1897.
Source Firkin
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
A bit strange this one, but nice at the same time.
Source Diogo Silva
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Feel free to use this seamless background texture as a background on a web site. It's colored in a light pink color and is seamlessly tile-able.
Source V. Hartikainen
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
I’m starting to think I have a concrete wall fetish.
Source Atle Mo
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Fix and cc0 to get the tile this is based on.
Source SliverKnight
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo