This Western Electric AT&T Triumph "Legless" Style Telegraph Straight Key, Was made from 1881 to the 1950s.
It was likely made by Bunnell for Western Electric / AT&T as many keys made by different companies would stamp the name of the companies they were made for.
This is a very well built, high quality Key, with the shorting lever, and will fit in nicely with any vintage Amateur Station.
It is in Excellent condition with all original parts, and the patina looks fantastic.
While this type of key is common, many are in poor condition unlike this one.