Send Me A Postcard - from the 3D art collection. The most expensive Post card ever sold could be over ($45,370.60) do you have it?. You must have a 3D glasses to experience the beauty of this artwork. Many of the original artwork are treasured. In this presentation you are about to experience Postcards many, many years old. Please subscribe to my YouTube Channel. I am going to release a final experience in other mediums, any further release will only be found in my channel Satinus on YouTube. Some facts on Post Card, highest sold for $1,314. on eBay, most expensive Post card ever sold ($45,370.60). It is also considered to be the oldest postcard in the world according to Guinness World Records.