If you're getting it for free then either way snap it up!
Depending on condition and what it's running, those cabs go for between £100-£400 (that's about $200-800 or about 120 - 480 Euros). A JAMMA example with a sngle game PCB in the condition that one in the pic is in would be about £150 - £200, as a guide. Double that if it has been properly converted to MAME and is in better condition.
Dunno how the americans would take to it, but I say if you were to re-skin it with black fablon or laminate, MAME it and give it a bit of a clean you could turn a decent wedge on ebay for it.