Your mark image is none too clear, but appears to work of SK Productions (Scotland) Ltd. a business described as Souvenir Wholesalers & Importers. They registered at the Edinburgh Assay Office as from 1963.
What you describe as a 'head' will be the date letter. Any chance of posting a clearer image?
The spoon(s) is at another location and this is the only version I have of it for now. I will however re-photograph it with less camera shake and replace it in the next week or so when I can get to it.