A genuine, verified image will display the correct hardware ( Cisco 7206VXR ) and software version 15.2(4)M11 . The adventerprisek9 feature set should appear under "License Info".
To ensure your image is authentic, you must compare its against official Cisco documentation. How to verify your file: c7200adventerprisek9mz1524m11bin verified
Also, if you need features (like vrf forwarding under a vlan interface), you'll need to look elsewhere. This is classic monolithic IOS. The Definitive Guide to c7200adventerprisek9mz
Understanding the c7200-adventerprisek9-mz.152-4.M11.bin IOS Image and Safe Deployment A genuine