12/17/19 UPDATE:
After checking the source code for a VIN every day, it finally showed up!
Model Ordered: M3 LR - Black/Black, 18" Aero, FSD
Tesla Account VIN: NO
Tesla Account VIN date: N/A
Source Code VIN?: LF600XXX
Source Code VIN date: 12/17/19
Source Code VIN matches the final VIN?: TBD...