They appear to have started with Mona Lisa, and made a few edits (most notably, rotating the |H|s 180 degrees):
https://www.myfonts.com/fonts/adobe/itc-mona-lisa/

I tried in the font identification website http://en.likefont.com and there are 4648 matched fonts in total, and the most similar font is ITC Mona Lisa Solid.
This is my identification result page for your image: http://en.likefont.com/community/2421986/