Allen's Of Tenby was firm of photographers established in "The Excelsior Studio",a photography studio at 1 Campbell House, High St., Tenby, Pembrokeshire, opened by Harry Mortimer Allen (1864-1926) in 1890. In 1896, the studio was renamed "The Campbell Studio". Mortimer specialised in portraiture and landscapes. He was also a dealer in Fine Art and was a picture framer. He also took "occasion" photographs and postcard images of Tenby and other local districts. In addition to black and white, he also made colour tinted postcards.
References
Allen's of Tenby Wikipedia(Text) CC BY-SA