, ▁but ▁that ▁included ▁enough ▁silver ▁to ▁give ▁a ▁reason ably - s ized ▁coin ▁an ▁intr insic ▁value ▁of ▁one ▁cent . ▁ ▁This ▁bill on ▁al loy ▁was ▁considered ▁by ▁the ▁U . S . ▁M int , ▁but ▁U . S . ▁Tre as ury ▁Secretary ▁Alexander ▁Hamilton ▁fe ared ▁that ▁it ▁would ▁be ▁too ▁sus cept ible ▁to ▁counter fe iting , ▁since ▁its ▁appearance ▁differ ed ▁little ▁from ▁that ▁of ▁pure ▁co pper . ▁In ▁ 1 7 9 2 , ▁the ▁M int ' s ▁chief ▁co iner , ▁Henry ▁Vo ight , ▁hit ▁upon ▁a ▁solution : ▁a ▁co pper ▁plan ch et , ▁slightly ▁smaller ▁than ▁that ▁of ▁a ▁modern ▁quarter , ▁with ▁a ▁small ▁silver ▁" pl ug " ▁inserted ▁in ▁a ▁center ▁hole ▁during ▁the ▁striking ▁process . ▁The ▁silver ▁plug ▁would ▁have ▁been ▁worth ▁approximately ▁ ¢ ▁at ▁contemporary ▁b ull ion ▁prices , ▁while ▁the ▁co pper ▁plan ch et ▁added ▁an ▁additional ▁ ¢ ▁of ▁intr insic ▁value . ▁Several ▁such ▁co ins ▁were ▁produced ▁as ▁test ▁pieces . ▁Ult imately , ▁the ▁additional ▁labor ▁required ▁for ▁these ▁b imet all ic ▁co ins ▁proved ▁un su itable ▁for ▁mass ▁production , ▁and ▁the ▁large ▁cent ▁that ▁was ▁produced ▁for ▁circul ation ▁starting ▁in ▁ 1 7 9 3 ▁consisted ▁of ▁ 2 0 8 ▁gra ins ▁of ▁ 1 0 0 % ▁co pper . ▁ ▁Design ▁The ▁ob verse ▁of ▁the ▁silver ▁center ▁cent ▁features ▁a ▁Liber ty