This is a new old stock of Vintage TART OPTICAL made in 1950-60s.
The most famous model in this legendary label is ARNEL as you know.
But there are other best and original designs, like this "HALF-EYE" above.
SOLAKZADE.COM(Japanese)
SOLAKZADE.NET(English)
![SOLAKZADE®︎ソラックザーデ [ヴィンテージ&ビスポーク ジュエリー・眼鏡・時計・車]](http://images.squarespace-cdn.com/content/v1/5b0a9011f7939242735d024f/1603535978383-XIRO0BQ1PDZ03TEFBEZT/logo.web2020.10.png?format=1500w)