Watercolors done by Ida and Muriel Perrin taken from three sketchbooks they filled with scenes of their trips abroad taken between 1907 and 1928. The Perrins produced lustre ware for William de Morgan. Part of a current auction at Tooveys’ Auctions from whose website these images are taken.

3246-b (1)
Watercolor. Image © Tooveys Auctions, West Sussex. Fair use license. via https://www.tooveys.com/lots/421137/sketchbooks-a-group-of-three-sketchbooks-containing-watercolours
3246
Watercolor. Fair use license. Image © Tooveys Auctions, West Sussex. Fair use license. via https://www.tooveys.com/lots/421137/sketchbooks-a-group-of-three-sketchbooks-containing-watercolours
3246-a
Watercolor. Fair use license. Image © Tooveys Auctions, West Sussex. Fair use license. via https://www.tooveys.com/lots/421137/sketchbooks-a-group-of-three-sketchbooks-containing-watercolours

 

Unfortunately the location is not given on the scanned images that are on the website. Looks to me like they are all of places in Italy, though.