The lions were created to decorate a line of posts outside the British Museum but they were later removed in some sort of pavement improvement programme. Some were placed round the Wellington monument and others on the railings in front of the Law Society building. The original model is outside the Royal British Society of Sculptors.
The figure soon became a cliche of the garden ornament business. In Victorian times, the Covent Garden firm of Brucciani & Co. made bronze casts which were sold for 7s. 6d. each. Pilkington's Tile and Pottery Company and Carter & Co of Poole made earthenware versions around 1900.
The inexorable decay from new and vibrant art object to tired, reproduction-of-reproduction commercial tat is admirably chronicled by Peter Berthoud at Discovering London.
Yes, that is my bike.