If you are looking into "AMS calligraphy fonts," you are almost certainly trying to use elegant script letters (like $\mathcalL$ or $\mathscrL$) in a mathematical or scientific document, typically using LaTeX.
Since they support Devanagari script, they are the go-to choice for invitation cards, movie posters, and book covers in India. Best Uses for AMS Calligraphy 1. Wedding and Event Invitations ams calligraphy font