This is the Greek New Testament that Calvin used in the beginning of his commentaries.  This text has more in common with the current Critical Text than it does with the Textus Receptus.  However, Calvin later switched to the Textus Receptus.  You can listen more about this here:  John Calvin & Textual Criticism by Dr. Jeffrey Riddle

https://confessionalbibliology.com/PDFs/Colines%201534%20Greek%20NT.pdf