Seeking help in identifying this 16ga double, which looks to be German. It seems to have a horn trigger guard, grip cap, and basket weave buttplate. The guard as chips in the left side, and the buttplate is cracked at the toe.

Thanks for your help.

https://drive.google.com/open?id=10_aU3nobA08JYE6HmGTxPgD7qvhi68Qh