In my previous post, I said that ALPCO on the old British pencil stands for American Lead Pencil Co. For a long time, I was confident about that connection but couldn’t prove it (not without a web search, anyway). Then I found this logo on a bill of sale from 1891:
You can make out A, L, P, and CO superimposed in the center.
It is understandable that the British subsidiary of the company would want to downplay “American,” since their pencils were manufactured and sold in England. Later, the company name was changed to Venus Pencil Co. Ltd., eliminating the problem. ALPCO brands continued under the Venus name —
Those brands seem to have been intrinsically British; I am not aware of any U.S.-made Fides or Veritas, etc. The famous American brands Venus and Velvet, meanwhile, were also produced in England. But for those, ALPCO was not used —