Naively, I first thought this was a piece of Czechoslovakian 'tango' or very similar, but having looked in Ruth Forsythe's book am sure I an way off target. Not high quality tho, and the base appears as straight from the mould (no pontil whatsoever). About 18.5 cms. wide and about 8 cms. high, with the sort of wear that might put it anywhere from 1930 - 1960. The inside is white (about 1.5mm thick, followed by a very thin orange, and finally a very thick clear casing. Haven't a clue on country of origin either. If anyone has any ideas, grateful if they are able to share them, and as always thanks for looking. Paul S.