Title card, if you want to sign the card, we sincerely ask you to attach the cover (c6 format, 162 x 1 14mm) and the appropriate postage and your address. Please note that all postage without letters will not be refunded. It can include special tickets, international mail, one-dollar bills, Swiss stamps (1.00 Swiss francs, Swiss 1.20 Swiss francs for postage in Europe or 1.40 Swiss francs overseas), German (0.55 euros) or French stamps (0.60 euros). Please send it by envelope to the following address: r.postfach4103 bottmingen, Derel.