This is a vintage green opaline glass vase from the 1960s or 1970s, featuring a white interior and distinctive clear glass feet.Design Characteristics: The vase is often described as "apple green" or "lime green" with a cased glass construction, meaning it has a white layer inside. Origin Possibilities: While sometimes attributed to Murano or Italian manufacturers like Empoli, similar pieces are also linked to mid-century Japanese glass designers.