Which endorsement to the Commercial Crime policy would protect a bank against its legal liability for burglary, robbery, destruction, or damage to customers' belongings kept in safe deposit at the bank?

The endorsement that provides protection against a bank's legal liability for burglary, robbery, destruction, or damage to customers' belongings kept in safe deposit boxes is Safe Deposit Liability. This coverage specifically addresses the unique risks associated with the handling and safety of clients' property within the bank's safe deposit facilities.

The rationale for using this endorsement lies in the bank's responsibility to protect valuable items deposited by customers. If theft or damage occurs, this coverage ensures the bank can fulfill its liability obligations to the customers for any losses incurred.

While other options may also pertain to financial institutions, they do not specifically target the protection of customers' belongings in the context described. For instance, a Banker's Blanket Bond primarily covers various types of financial losses a bank might experience due to employee dishonesty or other similar risks, but it does not focus on the liability arising from safe deposit operations. Similarly, Trustee Coverage is meant for trustees managing assets, which may not directly relate to safe deposit liabilities. Client's Property coverage generally refers to broader coverage for physical property but does not cater specifically to the unique liabilities associated with safe deposit boxes. Thus, Safe Deposit Liability stands out as the most appropriate option for this question.