Neck plate with serial of the Dire Straits Strats.
68354: Mark's 1961 Strat
80470: David's black Strat
(The info coming from some vintage gear list that this is the number of Mark's red maple neck Strat turned out to be wrong)
Chrome-plated steel with authentic reproduction of the serial number.
Product safety - Manufacturer:
Ingo Raven, Heidekamp 17, 59239 Schwerte, Germany, mk-guitar.com/contact