The earliest known thimble was Roman and was found at Pompeii. Made of bronze, its creation has been dated to the century AD. A second Roman thimble was found at Verulamium, present day St Albans, in the UK and can be viewed in the museum there.
Purple Mason Jars -- they're very, very rare. (The color is the result of sun exposure to the manganese dioxide in the glass. They were made prior to World War I because during the war manganese dioxide, which was scarce, was replaced by selenium.)