I'm not sure if this is even a font, but a font that has a similar style to this would already be enough!
(Doesn't need to have this rough chalk style though, just similar shape)
Thanks in advance!
Carattere Identificato
Return To Sender Suggeriti da fonatica 
Similar shape
http://www.dafont.com/honest-merchant.font?text=OUR+WEDDING
Modificato su 11/01/2015 alle 13:59 da fonatica
Fuso orario: CEST. Ora sono le 20:19