Cisco ASR 901 a901-12c-ft-d + Adv Metro IP License 

Tested, wiped. Removed from a working environment 

Router#sh lic

Index 1 Feature: 1588BC

Index 2 Feature: AdvancedMetroIPAccess

        Period left: Life time

        License Type: Permanent

        License State: Active, In Use

        License Count: Non-Counted

        License Priority: Medium

Index 3 Feature: IPBase