(http://glassgallery.yobunny.org.uk/albums/userpics/10318/normal_DSCF0881.jpg) (http://glassgallery.yobunny.org.uk/displayimage.php?pos=-12849)
Click image for glassgallery — size, weight, another view, and enlargements.
It's big, it glows like crazy in sunshine and under blacklight, and it has some age with plenty of wear on the base. Note the lip-like rim that stops it slipping out of your fingers if you pick it up by the rim.
So, what is it? American or British Chippendale, or a lookalike?
Enlightenment — maker, pattern No, dates, &c. sought please.
Thanks for your interest,
Bernard C. 8)