HUGE 12" CLEAR GLASS PYREX radio strain Embossed on the center ring PYREX / MADE IN U.S.A. other side PAT. 1,700,066 and etched faintly on both ends SE2183. shows signs of wear and use. The patent was issued Jan. 22 1929. I don't think there to many of these guys around. Like Bill said I checked the sold folder on only found the one Bill just sold. But this one is embossed... $30.00... Plus postage. Buy with confidence! Payment may be made by Pay- Pal or other forms. ---- WE DO NOT SELL FAKE, PAINTED, STAINED or ALTERED INSULATORS. Don't wait for the sale it's not going to happen.