Four More Chinese Coins To ID

Unfortunately they appear to be modern copies of Tael or Dollar coins. I'm not sure what No.3 is trying to be though - I've never seen it before.

Coin 1- Yunnan Province- 20 Cents-KM 491 Yr 21 (1932)- 5.6 Grams
Coin 2- Kwangtung Province- 20 Cents-KM201-ND (1890-1908)- 5.5 Grams,0.800 silver- Variety with P of Province open at top
Coin 3- Kwangsi Province- 20 Cents- KM416- Year 38-(1949)-5.3 Grams- Elephant Nose Rock at Kueilin- a scarce piece worth $200++
if Genuine
Coin 4- Hupeh Province- 20 Cents- KM116- ND- c.1902-5.3 grams- 0.820 fine silver-a more unciommon piece- worth $75 if genuine. All of these pieces seem to have problems with the striking, leaving me to conclude that they could quite probably be forgeries. The wear and striking details do not match, although a;most anything was possible at the provincial mints. The scarcest piese appears to be very strongly struck in the KM catalogue, and very flat in your example. The Kwangtung pieses tend to be very well struck, so finding one with almost flat lettering in the centre of the reverse, and missing letters in the Obverse outer inscription is a little wierd. The variety exisits- I have several caused by overused dies.