First stamp of King’s reign in high demand

Post offices across the country had swarms of visitors on 
Friday was the King’s 65th birthday. 

All editions of the first stamp issued in his reign were sold within a short time. 
Bang Rak Post Office in Bangkok reported that 500 sets were sold within an hour.
The stamp features His Majesty’s full-length portrait against a yellow background, the colour associated with Monday, his day of birth. 
His initials and emblem appear in the upper right corner. The stamp has a face value of Bt10, but is sold with a special envelope for Bt20 and is also available in a full sheet of 10 stamps.