One of the best preserved Joseon armor pieces is displayed in a Russian museum. This type of armor is called 두정갑 (頭釘甲).
"Gangnam Style", Korea, 1904
The hen peddler is carrying a two-tiered hencoop on his back known as eori (어리). The hens were usually home grown and therefore peddlers were not in a rush to sell them. 1918-1918 East Asia - Imperial Postcard Collection, Lafayette College.