I also received in the mail "Artisanal" cotter pins. Gilbert's left (non drive side) crank seems to be bent just slightly. It's enough that when I ride another bike I notice that the left pedal feels "weird" and when I switch back, Gilbert feels "weird" and it's murder on the light up pedals that I like so much. It eats them up- I've replaced the left one three times now! Anyone need a right side pedal that flashes? - I've got an extra! I suppose I could make it a prize for whoever first guesses the irony in the photo.
Anyway, after looking locally for a replacement vintage crank, I bought a repro left hand crank online, although it doesn't look like it's fantastic quality. I've heard that the absolute best cotter pins to be had are from Bikesmith in MN. He makes a famously helpful tool for removing stuck Raleigh bottom brackets as well as a nicely made hand cotter press for home mechanics. So on a bit of a whim, I ordered what should be a lifetime supply (6) of grade A cotters.
These "artisanal" cotter pins are turned on a lathe instead of stamped, and then he goes through and custom files the bevel to match the raleigh slope, "even the nuts are turned on a lathe"
Honestly I'm not sure I'll notice the difference, and I feel a bit sheepish in a boho bourgeois way for ordering bits of metal to pin the cranks to my bike that have a longer and more lovingly described provenance than an item on a trendy restaurant menu. On the other hand, it's making a guy a living doing manufacturing in the USA, and it will hopefully help everything go together smoothly and not wobble and destroy cranks or pedals. Some people spend a lot of money on designer clothes or fancy cars, I just spent twenty five bucks for cotter pins. Silly I know, but less than a tank of gas.
*And now for the promised hint- look at the handlebars on the bike on the left.