I still expect the Grain (if indeed it exists) to be much closer to the one in Indy 3 than the one pictured, or described (as the one shown in the article seems to be made of two held together in some rather tacky fashion).

It'll be a total letdown after Indy 3

Yep, there he was with barely two coppers to rub together after coughing up for a takeaway and keg of scrumpy to share with his mates. Of course he'd have a gold and onyx cup.