With Brexit looming next year, it is timely to cast the mind back 50 years ago to the final days of the Co. Donegal Railways - and a time when there were customs on the border between Donegal and Northern Ireland.
In this clip from the Huntley Film Archives, you can see a steam train pulling out of Strabane station as if heads for Donegal.
A sign on a pillar reads "Northern Ireland H. M. Customs and Excise, Customs Boundary Post, Strabane".
The footage also shows inspectors looking through passenger luggage laid out on a table on the platform.
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