These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Red brick, with frog, with incised inscription on obverse. Found fly-tipped at ‘Cyfarthfa Willow Cinder Tip’, Merthyr Tydfil, a tip used by Ynysfach Ironworks from around the 1830s, until 1868 when construction of the Brecon & Merthyr Railway severed access to the tip.
