LM312D Op-Amp gold collectors item - National

LM312D single Op-Amp by National Semiconductor.     

Package: 14-pin CERDIP   

***** Please note NOT the modern 8 pin surface mount LM312D *****    

This is offered purely as a collectors item, and comes "as is" and intended for that display cabinet.    

Status: salvaged item due to rarety. condition: used,  appearance: Gold top, base plate and pins with white ceramic body.    

Towers states this in 1979 as being a "SBA" or Super Beta Op-Amp: Vs+ max +18V , vs- max -18V    

RoHS compliant: no.