Birthday Swap-Hong Kong

This week surpasses my expectation regarding the incoming postcards. A total of 7 postcards together with the official and swap postcards arrived yesterday July 20, 2017! How amazing is that huh?

These postcards is a result of a birthday swap.
Here are the postcards:

These are my first postcards from Hong Kong. It features different flags of the world in different times. I chose these postcards since I love History! I can still remember the capital city of every Country in the World. I gave the 3rd as a gift to my fellow postcrosser. :)