Bottom only Pyrex Flameware #6762 Double Boiler.1 Quart

Bottom only Pyrex Flameware #6762 Double Boiler.1 Quart size. This is one of the older boilers.Pot's mark is not there any more.Handle is marked with the Pyrex flameware mark. Pot has a definite blue color to the glass. Shows some use with some scratching . My price reflects her less than perfect condition.No lid.$10 plus shipping.I need to know the zipcode to estimate shipping cost.