Lot of 4 used Sylvania 407A vacuum tubes and 1 used Le Brut 407A vacuum tube.  Dual low-noise triode.  Western Electric design.  Made in USA.  4 have gold plated pins.  3 are Sylvania Gold Brand premium tubes.

Shipping can be combined with other tubes, sockets, and parts for sale in my ebay store, $0.50 for each additional miniature, $1 for each octal.  Add to cart then request invoice.
Used tubes may ship in a box marked with a different brand or type.

Buyer is responsible for import fees or duties.