Sentence:  A great bargain also had been...the arm-chair in which Bunting now sat forward, staring into the dull, small fire. In fact, that arm-chair had been an extravagance of Mrs. Bunting. She had wanted her husband to be comfortable after the day's work was done, and she had paid thirty-seven <WSD>shillings</WSD> for the chair. 
Meaning of the word marked with <WSD> tags:  A coin formerly used in the United Kingdom, Ireland, Malta, Australia, New Zealand and many other Commonwealth countries.