Happy Birthday Wishes Birthday Card. Front: Happy Birthday. Inside: Wishing you the happiest of Happy Birthdays. Size N:5x7 inches. Artist: Caspari Collection. Single Greeting Card With Envelope. By Caspari Birthday Greetings Cards Perfect for Happy Birthday Wishes, Occasions and Celebrations. Find Caspari Greetings Cards, Available and in stock now at the Interior Digs N Gifts Card Shop Online or In store for local pick up.