I'd love to be able to dig deeper on this highly dubious claim, but as usual, you have to buy what he's selling in order to be able to! Short version is that there's a silver chalice from an ecclesiastical grave at Lincoln Cathedral in the UK that this chap believes is the Holy Grail...
http://www.express.co.uk/posts/view...d-in-Lincoln,-really-the-one-used-by-Christ?/
The cathedral aren't convinced. And as the local archaeological Finds Liaison Officer points out, it's a very medieval-looking 'grail';
http://www.thisislincolnshire.co.uk...cathedral/article-2310355-detail/article.html
http://www.express.co.uk/posts/view...d-in-Lincoln,-really-the-one-used-by-Christ?/
The cathedral aren't convinced. And as the local archaeological Finds Liaison Officer points out, it's a very medieval-looking 'grail';
http://www.thisislincolnshire.co.uk...cathedral/article-2310355-detail/article.html