1.£89.50 = GBP89.50.£ = POUND ..- GREAT BRITAIN Pound
2.DM234.4S.3P = Deutsche Mark234.4 - Eastern or Western German Deutsche Marks
3.STG590.00 = STERLING.although the correct code is actually GBP (great British Pound) but you often see STG used instead.
4.￥868,000.00 = JPY868,000.00 - Japan Yen