One of the most collectible rare Depression glass patterns is Royal Lace by ... This pattern was made in three main colors: ...

Today, however, many of the pieces have transformed into prized collectibles ... out among Depression glass patterns, prized for its intricate design and vibrant cobalt blue hue.

whose pigments are added by combining glass with different metals, like cobalt to make blue and manganese to make purple. As they work, the project has to be routinely reheated in an even hotter ...

Q. We own four vintage art deco cobalt blue mirror glass tables that we love because they fit into our small living room space. However, after 25 years, the glass has some chipped areas underneath ...