This box is not an authorised release - it is not what it claims to be.
Unlike Disk Union and Manufacturer produced boxes this box has been produced without the permission of the copyright holder.
The quality may be high but it is still not what it claims to be.
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PF-Big-Box
Argued to be a prototype Disk Union box that was never officially released.
Looks remarkably like the Santana box from Sony in shape but given that it can hold the full set of Pink Floyd Japanese Mini LPs including Pulse (EMI and Sony releases in other words) it's unlikely it would be a Manufacturer's release.
Regarded by many to be a fake - guilty until proved otherwise.