Lithuania 2009 proof-like mint set

[JoeYuk]

The 2009 Lithuania mint set comes in 2 types BU and proof-like.  It also contains 3 coins from 1991 the 1 centai,  2 centas and 5 centas.  In the proof-like set would the 1991 coins have been struck with refinished dies saved from 1991? or from new dies with the 1991 date ?  Images of the proof-like coins are here.  http://omnicoin.com/collection/Joe_Yuk