PCM63P legit?

Hi, I have an offer for PCM63P that look like this. Searching the net I have only found one picture in which the production data and batch number are printed vertically like the offered chips have. The offer is from a small electronics company, which has them laying around for a long time they say.
Does anyone know if in the final years of production, this printing was used by BB?

Thanks

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Hi, I have an offer for PCM63P that look like this. Searching the net I have only found one picture in which the production data and batch number are printed vertically like the offered chips have. The offer is from a small electronics company, which has them laying around for a long time they say.
Does anyone know if in the final years of production, this printing was used by BB?

Thanks

View attachment 1375545
Have seen BB PCM58 with production code printed in this vertical style. Check out Abraxalito's pcm58 in the vendor's thread.