happy st patrick`s day vintage greeting card hand lettering on leprechaun hat silhouette, irish holiday grunge textured retro

background calligraphy card celebration celtic day decoration design doodle drawn emblem festival festive graphic green greeting grunge hand happy hat holiday illustration invitation ireland irish leprechaun letter lettering luck lucky march patrick patricks print quote retro saint shamrock silhouette sketch spring stamp tee template text textured traditional typography vector vintage