Seems to be based on SignDNA’s Waldo Script:
http://signdna.com/shop/index.php?main_page=product_info&cPath=1_2&produ...

Waldo, in turn, appears to be closely based on Doyald Young’s Eclat. Current digital versions of Eclat leave out all the original alternate glyphs, which included a lowercase r similar to the one in your sample:
https://www.myfonts.com/fonts/imageclub/eclat-regular/