Hasselblad 501CM  type_Monopods Moment’s Rugged Camera Sling is

Moment’s Rugged Camera Sling is a streamlined crossbody sling bag with enough interior room for a compact DSLR or mirrorless camera

original box

This is a chrome Hasselblad A12 back in good working order

this is arguably more useful

but these are vintage heads made mostly of chromed metal

Hasselblad 501CM &nbsptype_Monopods Moment’s Rugged Camera Sling isThis Hasselblad 501CM is in excellent condition, with a similarly nice A12 back. The 501CM is a later model camera (this one's from 2002) and it has the nice bright focusing screen and less tippy base that hip, this millennium Hasselblad photographers expect. Lens is sold separately.