[ London Times ]
This newspaper, most correctly known simply as The Times, began publication in 1785 and continues to this day.
The edition of February 21, 1838, carried the following "found dog" notice — a black, curly Newf/mastiff mix:
FOUND, about two weeks ago, in the neighbourhood of Holborn, a fine strong BLACK CURLY DOG, of the Newfoundland and mastiff breed. Apply to Mr. Hume, 42, Clipstone-street, Great Portland-street. N. B. If not claimed in a few days he will be sold.