Play1505. O'Casey, Sean. Hardcover First Edition of Oak Leaves and Lavender by the great Irish playwright Sean O'Casey. London: Macmillan & Co. Ltd., 1946 with beautiful dust jacket in fine condition protected by slip-on plastic sleeve. Sean O'Casey was born in Dublin, and brought up in a Dublin tenement. Street educated, he learned to read at age 12. A great Irish voice of the first half of the twentieth century. $7.50