Duy Tan cash coins

Coins and Banknotes of Vietnam
and French Indochina

維新 Duy Tân 1907-1916 cash coins

Y#3 維新通寶 Duy-Tan-Thong-Bao, 10 Van

Annam 維新通寶 duy tan thong bao 10 van cash coin, obverseAnnam 維新通寶 duy tan thong bao 10 van cash coin, reverse
copper alloy, 4.02g

Reverse:

十文 (Tap-Van) = 10 Van

Y#3 維新通寶 Duy-Tan-Thong-Bao, 10 Van, error

Annam 維新通寶 duy tan thong bao 10 van cash coin, obverseAnnam 維新通寶 duy tan thong bao 10 van cash coin, reverse
copper alloy, 4.02g

Error:

a strip of metal above the "通" character on the obverse