Card - "Doctoral hat - Done!"

 Option 1:
 Postcard DIN A6 (105x148 mm)
 Made from natural cardboard 580 g/m² | 1.3 mm paper thickness
 with or without an envelope made of brown recycled paper

 Option 2:
 Folded card DIN A6 (folded) made from 300 g/m² recycled paper (Blue Angel certified) with envelope made from brown recycled paper