Rare nail sphere vase. It is a unique paperweight, which looks great on any cabinet, shelf or mantelpiece. Material: thick blue crystal inside, clear crystal overlay, with a beautiful pattern of arranged air bubbles (the unique air pattern was created in Dutch city of Leerdam by blowing out the glass at the blowpipe in a mold with nails) Design: 1936 by Andries Dirk Copier (1901-1991) for Glasfabriek Leerdam Netherlands, smallest of three sizes Condition: very good, small signs of use Shipping: will be perfectly packaged and sent by registered mail (insured)