Vintage Old Rare Pyrex For Fevers Bengal Chemical Ad Porcelain Enamel Sign Board Vintage Old Rare Pyrex For Fevers Bengal Chemical Ad Porcelain Enamel Sign Board. This is very rare original Vintage Old Rare Pyrex For Fevers Bengal Chemical Ad Porcelain Enamel Sign Board in Condition As Par His Age! This Vintage Solignum Wood Preserver & Ant Destroyer Ad Porcelain Enamel Sign England is Ready and to be part of your collection. Note:- After received item posi.