[78-L] Folded Decca album

[Han Enderman]

Unusual Decca Album 108 by Phil Regan, containing Decca 2945-47, is shown at ebay 380343959785.

See:
http://www.ebay.com/itm/Phil-Reagan-Irish-Ballads-78-rpm-Box-Set-/380343959785?_trksid=p4340.m185&_trkparms=algo%3DSIC.OPJS%26its%3DI%26itu%3DUA%26otn%3D5%26pmod%3D310338638158%26ps%3D63%26clkid%3D2265713219941474460

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?).

han enderman