[78-L] Folded Decca album

[L78rpm at aol.com]

I believe there is a Deanna Durbin album constructed the same way.
 
pc
 
 
In a message dated 8/23/2011 11:06:41 A.M. Eastern Daylight Time,  
jcenderman at solcon.nl writes:

Instead  of a cover containing 3 separate envelopes, the album is folded 
twice.
Is  this usual for this set, or was it a later cheap production.
Where did  Decca put the booklets (in a  sleeve?).