To all intents and purposes it is a Belgian ABL bottle ( and was sold as such) except that where I would expect to see ABL raised letters by the date, there is a UK / Australian/ Canadian style Government property "Broad Arrow."
What do you think? Mistake in manufacture? Wrongly identified and it is not actually Belgian issue? But why would any country known to use Broad Arrow symbol have the warnings written in French and Dutch only on the bottle?