The release PR reads as follows:
20 CD set of classic studio & live albums by the king from Elvis Presley in 1956 to Moody Blue in 1977. All presented as album minaitures in original sleeves in a hard case box with lift off lid and expansive 34 page booklet.
Source:
http://not-boring-honestly.blogspot.com/2012/08/the-perfect-elvis-presley-collection-20.html