On Friday, October 31, 2014 9:01:02 AM UTC-7, N_Cook wrote:

So whatever the NTE or CGE label says, the underlying IC would be
original Sanyo/NEC/Harris or whatever of the 1980s or even 1970s?

Yes. The mold markings give away the origin, sometimes, but the
print on the package is always the NTE part number and logo.
One presumes that NTE has a warehouse of new-old-stock parts.