The following have been added to the reseacrh website and collection:

A postcard showing the view of some of the cages with lions and lionesses. Appeared at Earl’s Court and around the UK, especially Sheffield.

Postcard from Frank Bostock’s Arena, Coney Island, New York, USA, showing Polar Bears with unknown, rather camp male trainer. More information is sought.

Lowly Entertainer circa 1900 ‘Poor Billey’ also labelled ‘King of the Ring’. Thought to be Billy[Spell] Bertram, a lowly comedian circa 1890s. Had a reputation for being a ‘Jonah’, whereby he would have a part in a production which immediatley went bust!  The dramatist George R Simms wrote an article about Bertram under the title Without the Limplight .
Lloyd’s Weekly Newspaper (London, England), Sunday, February 5, 1899; Issue 2933. Reproduced here by permission the the British Library under their normal terms of usage. More information is sought regarding the phrase ‘King of the Ring’.