Neptune....

Neptune - was the god of freshwater and the sea in Roman religion. Silver stain was applied , also known as yellow stain, is used to create a yellow color on clear glass. The technique of silver stain was introduced to stained glass in the early 1300s and involves painting silver onto a piece of glass and then firing it in the kiln. Silver staining is the technique from which the term ‘stained glass’ derives.
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