Vintage Hines Sand Casting Foundry Mold Flask Aluminum/ Brass Good As Is 13 x 17

Description

This is a vintage Hines two-piece sandcasting flask for foundry sand molds.  It is sold as is but is functional and seems to work well.  The top and bottom separate easy and the levers move up and down.  The size of the opening is 13 x 17.5 " approximate.
On the taller top section, one of the corners does not close tightly and there is a small gap (see photo #  ).
There are also two bolts missing on one corner of the bottom section and one bolt with a broken off top in the top section (see photos with fingers pointing).
It still seems to work pretty well and I imagine it would be still very usable.
Serial No 58877 stamped on one corner.