ROBERTS, David, (British, 1796-1864): Pair of colored lithographs, the first is titled ''El Deir Petra'' and the second is titled ''Mosque of Omar'', the first is 15 3/4'' x 21 3/4'' and second is 15 1/8'' x 21'', both pieces have some abrasions and mild creasing, unframed. Call for condition.