New Verizon XT1528 Motorola Moto E (2nd Gen) 8GB Memory Black w/blue case. It's 5.0
Lollipop. Easy to unlock if you reuse or to upgrade to 5.1, (or root to remove the upgrade message).

Even carelessly update to 5.1, tested can unlock using GSM.
 
It's XT1528 can be unlocked to use in ATT (3G, HSDPA) Tmobile LTE network. Hard to find right now. Google XDA forum.