I Heart Mum Letterpress Card 1973 £1.25 Default Title - £1.25 This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Product Code: 7887 Lovingly letterpressed at 1973 HQ using a 1962 Heidelberg Windmill Platen. Block colour printing on luxurious board. 120mm x 170mm. Recycled red envelope.