Current retail is $9.00 issue price was $10.00
The U.S. Mint does not make "proof mint sets" of any year. The two types of sets have very different coins in them. A 1980 PROOF set has a current value of $5.00 and was issued for $10.00. A MINT set has a value of $8.00 and was issued for $9.00.
There is no record of the Royal Mint having produced a "gold" Proof set in 1974, only the usual Proof set. Royal Mint gold Proof sets issued from 1980 contain only the "Sovereign" coinage.
With original Mint packaging retail is $30.00 for a Silver Proof Set
These coins are no longer in circulation since Irelands changeover to the Euro in 2002. Unless they are part of a Proof or Uncirculated mint set or are individual Proof or Uncirculated coins and in absolute mint condition, they have little or no value.
July 9, 2009 The Uncirculated US Mint set is valued at about $15. The 2005 US Mint Proof set is valued at about $25. The 2005 US Mint Proof set is valued at about $42.
July 9, 2009 The Uncirculated US Mint set is valued at about $15. The 2005 US Mint Proof set is valued at about $25. The 2005 US Mint Proof set is valued at about $42.
The 5 coin proof set has a value of $6, the 10 coin set has a value of $15 and the 10 coin silver set has a value of $48.
The 2006s 10 coin proof set has a retail value of $31.00 issue price was $16.95
Current value of the 2003 10 piece Proof set is $10.00. Issue price was $19.95.
The current value of a 1980 P-D-S Mint set is $8.00.
A normal 1991 S proof set is worth $9. A 1991 S proof prestige set is worth $51.
In original box as issued from the Mint retail value is $84.00, issue price was 19.95