Prudential won't pay up on our paid-up policy

To pay out on my father's policy the company wanted information no one could hope to provide Way back in 1955, my parents both took out life insurance policies with the Prudential. In 1993 they were told by the company that the policies were "paid-up", meaning they no longer had to pay any premiums, but the policies would remain active until their death.Sadly my father passed away aged 93 in May this year. However, my attempt to claim the £7,250 due to my mother has been turned down. The Pruden...