![NORWAY - 1855, 4sk Blue used block of 39 stamps, ("Trondheim" block)](https://mynation.net/stamps/files/2020/05/253.jpg)
NORWAY – 1855, 4sk Blue used block of 39 stamps, (“Trondheim” block) – worth $1,700,000
“Trondheim” block is the largest known multiply of the first Norway’s postage stamps. This impressive philatelic item was discovered at Trondheim’s Central Railroad Station, affixed […]