Before there was wallpaper there was gilded leather. Wealthy homeowners decorated their walls with panels of leather such as these. Gilded leather is a bit of a misnomer. It's actually leather covered with a silver foil. To keep the silver from oxidizing a varnish was applied that gave it a golden color.
Vijfbladig kamerscherm van gepolychromeerd goudleer met bloem-, vrucht- en bladranken en mythologische jachtvoorstelling, Jacob en Abraham De Gecroonde Son Hamer, De Vergulde Roemer, 1630 - 1650 - Rijksmuseum