The spoon might be 1826. It looks like it has George 1V's head. It might be made by an "IM" or "IH".
eBay
The product is a set of sterling silver handled butter knives made by Barker Brothers in Sheffield in 1960. These antique knives are decorated with a pattern and are crafted from solid silver. Manufactured in the United Kingdom, they bear hallmarks indicating their authenticity and quality. Perfect for adding a touch of elegance to any dining table, these cutlery sets are a timeless and classic addition to any kitchen or dining collection.
eBay
BUTTER KNIFE STERLING SILVER & MoP VICTORIAN Birmingham 1868 Hilliard & Thomason Full hallmarks for Birmingham 1868 Hilliard & Thomason Dimensions: approx 185mm long Weight (gross): 39g Condition: Very good. Tiny dings and surface scratches. Some nibbles and chips to the MoP handle. Wear commensurate with age and use. Please see photos and if you have any further questions do not hesitate to ask. Notes: Beautiful Victorian silver butter knife.
eBay
The beautiful mother-of-pearl handle with an ornate silver engraved blade is fully hallmarked as sterling silver made in Sheffield 1901 by Allen & Darwin. Maker: Allen & Darwin. It is in good condition for its age, with visible signs of age and usage.
eBay
ANTIQUE BUTTER KNIFE STERLING SILVER & MoP BIRMINGHAM 1845 GEORGE UNITE Full hallmarks for Birmingham 1845 George Unite Dimensions: approx. 160mm long Weight: 23.5g Condition: Very good. Small dings, surface scratches, and light tarnishing. There is a tiny amount of movement between the blade and handle but appears to be fine. Wear commensurate with age and use. Please see photos and if you have any further questions, do not hesitate to ask.
eBay
This good-sized butter knife is made from solid sterling silver. It is hallmarked for Sheffield 1905 with the maker’s mark of Thomas Bradbury & Sons. Antique Sterling Silver Butter Knife. This knife is in beautiful condition with no dents, kinks or wear, the blade lies nice and flat and the decorative detail is very crisp.
eBay
Antique/Vintage Silver Hallmarked Pistol Handled Butter Knives, set of 6. Fully hallmarked. 17cm in length. Tapered design on handles. Lightweight. Some age related wear, otherwise in good condition.
eBay
This is a lovely souvenir butter knife from New Zealand with Jade handle. I believe this is nephrite jade. The condition of the knife is good. There is also a little tarnish. The knife including the handle is 14.7 cm long.
eBay