Oracle and Acclaim and Pearson Vue do not provide physical copies of the Java 8 certification.
However you should have been given access to a web site which would allow you to download a PDF version of a certification document.
You could easily print this off and get it framed.
Now what you have a certification what's you next challenge?
Many people choose to get both their OCA and OCP certifications and then branch out from there.
You may want to look at some of the stories posted https://coderanch.com/wiki/659976/OCPJP-Wall-Fame to see how others have prepared for their OCP.
This could save you time, money and frustration.
“The strongest of all warriors are these two — Time and Patience.” ― Leo Tolstoy, War and Peace