Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums General Petroliana Discussion Wayne 70 - Pure Oil Insert Lense

I came across a Wayne 70 Shorter than most, no ad glass but sight glass on top above faces. Common ? Not in recent book by JS.
Vintage and value ?

Also looking for a PURE Lense - I Have one.
Description: "product of the" Top semi circle. PURE (in middle)all caps. "Pure oil Company" semi circle (under) Dark blue funky circle around outer edge. 14" dia. Any out there for sale ?