Serpentine Antiques has dated this piece to the 1870s.
Made by John Smyth, know maker of quality flatware. Also with the mark of retailer J Cahoon.

This is free of personalisation, but could be engraved as a gift if desired.
Size-5.75 inches long by 1.25 inches wide.
Weight-23 grams.
Slightly longer and heavier than English examples, this is a lovely spoon to add to a canteen or to give as a gift.
A lovely Irish silver teapsooon in very good condition.
Irish silver is very collectable, and much sought after, as it is much more scarce than English silver.
Serpentine Antiques has dated this piece to the 1870s.
Specialising in unique pieces for the discerning individual, selected and prepared with special care..
You can view the stock and full dealer information on the Serpentine Antiques Profile Page