1960's AMERICAN OPTICAL SIR MONT MADE IN USA
These are similar style which MalcomX wear.
His signature eyewear also made by American optical as well.
These are almost same shape except shield and temples.
His frame has interesting shield but those AO has beautiful brass shield.
Its very hard to find dead stock(NOS) pairs like those,
If you miss it, yes of course you wont be able to find same pair same condition like those.
