Would anyone here know if this an official release recording of Bill Evans?

[Hardbopjazz]

Bill Evans  Very Early Volume 1 
Label E3 Records. 

[Daniel A]

That label seems to be defunct, but since it was initiated by Bill Evans' son, Evan Evans, I will assume that the releases were legit unless there is contradictory information.

https://jazztimes.com/archives/label-watch-bill-evans-e3-records/

[Ken Dryden]

E3 Records was a legit label that released at least two CDs of Bill Evans’ early recordings.

[Pim]

According to Discogs it was produced by his son Evan.