 Lion was placed in reserve in March 1920 , paid off on 30 March 1922 , and sold for scrap on 31 January 1924 for £ 77 @,@ 000 . Princess Royal was placed in reserve in 1920 and an attempt to sell her to Chile in mid @-@ 1920 was unsuccessful . She became the flagship of the Commander @-@ in @-@ Chief Scottish Coast on 22 February 1922 , but was sold for scrap in December 1922 . Both ships were scrapped to meet the tonnage limitations of the Washington Naval Treaty . 
