Christmas Tree Embossed Vellum Christmas Card Stamp Christmas Tree stamp with VersaMark ink on vellum and emboss with black embossing powder using a heat gun. Carefully hand rip vellum around tree and attach to white cardstock matted with black and then white again if you want. Fold 1/2 sheet of black cardstock in half and stamp Christmas greeting with VersaMark ink and emboss with white embossing powder. Add an embellishment to top of tree if you want. read more