Re the artworks in the link above - there is a long introduction and then the pictures start on page 18
and with regard the signature on my pieces, it is possible that what looks like an L is stylised and is in fact an L and J combined, then with the J. and K. so L J J. K. in fact?
Some more illustrations here with the second one down particularly reminiscent of the box boys hair
http://rezkarcfitness.blogspot.co.uk/2010/03/kiallitas-kass-janos.htmlSo, if he is the artist, then where has the glass come from? could it be Leerdam? or could it be AJKA maybe? It is very simple but perfectly executed, it feels heavy and expensive, not one iota of 'cheap' about it.
m