1899 Mobile 2 cylinder steam engine
(Sentinel Service, no. 6) 1980s
Advertising card reminding that car needs to come in for service. Suggests that service interval should be every 30 days which seems rather excessive!

The photo of the back of this card may have been enhanced so that aspects such as writing and postmark can be clearly seen.
Dispatched to you in a board-backed envelope.
Feedback always left for you.
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