ANTIQUE 1920'S MORIYAMA MORI-MACHI HAND PAINTED DRAGONWARE TEA POT JAPAN

Some one had given me this set a few years ago, and I researched it and discovered that it was in fact from Japan and from the 1920's. The Coffee Pot for the set appears to sell on Ebay for $150. What could I realistically get for this whole set?

Thanks!