The Emperor Was delighted with Tulsidas and offered the Hanuman temple with an Islamic crescent Moon finial which adorns the temple spire. It's also claimed that as a result of crescent moon image about the spire, the temple wasn't ruined by the Muslim rulers who invaded India at different times. https://hanumanmandiradelaide.com.au/complete-guide-to-hanuman-jayanti-2027-celebrations/