The characters on the front are basically the same, which you'd expect since it's the same emperor. The Manhcu script on the back is the mintmark, which is different for this coin; this second coin is from the Zhili Province mint.
There are slight differences in the calligraphy and shape of certain characters that can narrow down the date-period the coin was issued, or the specific branch-mint or furnace-room within the mint. The catalogue I'm using is "Cast Chinese coins" by David Hartill.
Your first coin is "Type B, top-heavy bao", dated to the period 1746-1753 (Hartill 22.203).
Your second coin is catalogued as "Type B, small characters" and is dated to the period 1755-1776 (Hartill 22.359).
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Posted 02/24/2022 4:59 pm
