I was working in the visual systems (electronics) R&D lab for a flight sim company when the first blue LED engineering samples became available and we got hold

I was working in the visual systems (electronics) R&D lab for a flight sim company when the first blue LED engineering samples became available and we got hold of a few for the princely sum of £30 each! Yes, we had to pay for them - no freebies! How much are they now!