The actual age is very important. On the side of the tire near the bead will be the DOT number. The last 3 or 4 numbers will tell you the date of manufacture.
Also the 500 is a Ford wheel ad comes in 15". Same bolt pattern but center register can cause problems occasionally. The Road Wheels are Mopar and are 14" with stainless steel centers, painted outers for trim rings.
Your Rally Wheels look very nice. Factory 15" very scarce compared to the 14". Most 15" on the market today are reproductions and could be 7", 8", or 10". https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=138 https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=138