Some insight on the obscure moulds.

The SAECO is a truncated 196 gr. Gas Checked .30/.303 cal. target bullet.
http://castboolits.gunloads.com/showthread.php?128658-Saeco-301

The CBE moulds are brass and hail from Australia. Current retail is about $155.00 each. These two (one GC, one PB) is specifically for the .444 Marlin. A custom mould.
https://www.castbulletengineering.com.au/products/rifle-moulds/44-cal