You are looking for 'flat pouch' with magnetic geocache.
You are stand front of UJeongChongGuk now.
UJeongChongGuk is first post office in Korea. It established on 18'AB'.
This post office has specially slow letter box. Your letter will be deliverd one year later if you put it in letter box.
You can get a free envelope and letter paper in the post office. but, you have to pay a stamp price(It's optional ex) to United State price is 660Won/0.62$) if you want to send it to your home or friends.
Recommend to visit here at below time if you want to get a free letter set for Your Memory.
Post office Hours
Mon~Sun 09:00~18:00
(Close on 1st Janurary, Lunar New Year's Day, Chuseok)
You have to find 'AB' to get a final coordinates. You can find about 'AB' at UJeongChongGuk information board near above coordinates.
Final coordinates is N37 34.B42, E126 5A.967 (Final is also one of must see places in Seoul)
But, You can find this geocache every time and day. Happy Geocaching!
You can get here.
By Bus: 101, 103, 109, 150, 151, 160, 162, 171, 172, 260, 270, 271, 272, 273, 370, 401, 406, 408, 470, 471, 601, 606, 704, 710, 720, 721, 1020, 7022, 7025, 7212
By Subway:
Line3 Anguk Station, exit 6. Walk straight to the second street, cross the street and then turn left and UJeongChongGuk will be on your right.
Line1 Jonggak Station, exit 2. Walk straight, UJeongChongGuk will come up on your left.
