Common maybe ...

Tawny Grisette (Amanita fulva)

But I do like a nice Amanita fulva emerging from its 'egg' ...

References:

Buczacki, S., Shields, C. and Ovenden, D. (2012). Collins Fungi Guide: The most complete field guide to the mushrooms and toadstools of Britain & Ireland. London: HarperCollins, p. 242, fig. p. 243.

Sterry, P. and Hughes. B. (2009). Collins Complete Guide to British Mushrooms and Toadstools. London: HarperCollins, p. 94, fig. p. 95.