u/letseatmice

(the text on the right says "all the luck in the world !" in german)

i wanted to make a birthday card with some paper thats been drenched in coffee (and has dried since) and lots of four leaved clovers.

now i do know ur supposed to use chlorine free paper to mount the flowers on to, but is the acidity of coffee harmful as well ? or can i just go on as planned ?