1 roll =100 stamps 2 roll =200 stamps 3 roll =300 stamps 4 roll =400 stamps 5 roll =500 stamps 6 roll =600 stamps 7 roll =700 stamps 8 roll =800 stamps 9 roll =900 stamps 10 roll =1000 stamps 20 roll =2000 stamps 1 book = 20 Stamps 5 books = 100 Stamps .... 10 books = 200 Stamps .... 50 books= 1000 Stamps