Glass Tumbler Set - Grey
The first known reference to these glasses known as "biquinhos" (spikes) is from a catalogue of the Nova Fábrica de Vidros Marinha Grande (New Marinha Grande Glass Factory) - Ivima, 1901. This type of glass, set in the universe of diamond-tip manufacturing, was produced in the nineteenth century, through manual cutting techniques.
More recently, these glasses are produced by the press method, which lasts until today. It's curious to know that in the first quarter of the twentieth century it was considered old-fashioned and today it is so fashionable.
NEED TO GET THE MESSAGE ACORSS THAT THEZ ARE SUPER HARDWEARING AND THE BEST OF THEIR TYPE (THERE ARE MANY OTHER PEOPLE MAKING GALSS IN THIS DEISGN BUT THESE ARE THE BEST)