Lead glass candlestick

[cimitc23]

I’m trying to sell a glass candlestick and in the middle is a pencil lead embedded in it. 

I’m assuming it is a reference to lead glass, but I’d like to know the meaning behind it. 

Thanks in advance 

Cindy 

[md1919]

why? since pencil lead contains absolutely no lead (or lead oxide as in leaded glass)

[stormy53_2000]

I’m not a glass expert but I have quite a bit of both leaded and unleaded and I’ve never seen or heard anything about pencil lead being inserted.  More like an accident during the making.