The Emperor Was delighted with Tulsidas and offered the Hanuman temple using an Islamic crescent Moon finial which adorns the temple spire. It is usually claimed that due to crescent moon symbol around the spire, the temple wasn't wrecked because of the Muslim rulers who invaded India at several instances. https://hanumanmandiradelaide.com.au/complete-guide-to-hanuman-jayanti-2027-celebrations/