It's MUCH worse.

Those were two REAL true Roman jugs you took away; we put them there; they aren't ours.

We didn't know they were real Roman.

We wanted to sell the Antiquities--I mean Antiquaries--and we were sold ourselves.' 'This is serious,' said the gentleman.

'I suppose you'd know the--the "jugs" if you saw them again ?' 'Anywhere,' said Oswald, with the confidential rashness of one who does not know what he is talking about.
Mr Longchamps opened the door of a little room leading out of the one we were in, and beckoned us to follow.