Solving the whatziss... Not and egg cup. Nope, it wasn't the canvas it was resting on (though that was a good sly shot!)Well, we didn't, really. But don't feel bad - I'm not all that sure, either.Yep, it was a US 60mm mortar round and fuze, both mid-70's dated.Yep, it was a (inert) Bulgarian RPG rocket motor.Because that's what I had in the holdings of the Arsenal. I'm missing a key piece - the collar that mates the two.Like this Iranian example. The Iranian example has...