ceramic Wedding Guest Books - Signature Platters. Ceramic signature platters make unique wedding guest books. Guests sign a hand painted, personalized platter with a special black marker. Fire in your home oven for 30 minutes and you're done! We currently have four wedding guest books available: an oval platter, an extra large oval platter, a heart shaped platter, and a round platter. Great for wedding anniversaries, bar mitzvahs, retirement parties, family reunions and more!family Portrait Platters - Handpainted, Custom Ceramics. You are going to love our Family Portrait platters - everyone does! We custom paint up to 20 family members to your specifications on our lovely Italian platters. We personalize with names, inscriptions and personal details to make every figure look just like the real person. Select from our Family Picnic Portrait platters or our Bridal Party Portrait platters.