Large antique silver plate ornate oil lamp leaded cut glass large font

Large antique silver plate art nouveau oil lamp. Very ornate base and column. Stamped underneath Sheffield, I think this is spelter and plated over that. Enormous heavy leaded cut glass font, with no damage and silver plate threaded collar. Height to the top of the collar almost 23 ins. Font width 19 cm and depth 7.5 cm.

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