Personalized Stamps & EmbossersGet their stamp of approval when you present a friend or family member with a personalized stamp or embosser. With the PSA Essentials custom stamp and embosser, you can make your mark on everything from envelopes, letters and cards. You can even use it as a unique address label. Simply choose a design and determine what you want included on your stamp. A few suggestions are to use your initial, a monogram, your name or address.