This is a commemorative stamp from the 70th anniversary of the railway in Tokyo, issued on October 14, 1942 (Showa 17). It has a commemorative stamp and is 84 years old. This stamp alone is being sold online for 1,100 yen. Also, this 2-sen postcard was issued during World War II and is called a "Nanko postcard." The stamp design on the postcard features the military commander Masashige Kusunoki. The 2-sen stamp on this postcard does not have a cancellation mark. Postcards with cancellation marks are sold at auction for about 300 yen, while postcards without cancellation marks are about 500 yen. In cases like this, with a commemorative stamp, the price is around 1,800 to 2,000 yen. For railway enthusiasts, a stamp designed with a steam locomotive is a good opportunity for their collection.