(Pete) These are modified Amati baritones. The finish is automobile paint. That's not actually a big stretch: the colored enamels used on Conns and Bueschers in the 1920s ("Chroma" finish) is an enamel incredibly similar to this.
If you want to change how many album pictures per page, use CTRL+ and CTRL- (Command + and Command - if you have a Mac). 80% looks great on my 4K monitor.