My husband and I cleaned out his room at his parent's house. While doing so, I came across his Mego action figure collection and would like to sell it. While I was in the process of selling it, I discovered that the year stamped on the figures' heads do not match the year stamped on the body. I could understand one or two, but most of his figures are this way. Are the figures OK or does it mean that the heads are not original to the body? Please help. I am confused.
Figure/Year on Head/Year on body
Superman/1972/1974
Batman/1972/1974
Thor/1975/1974
Spider-man/1972/1974
Spider-man/1972/1974
Spock/1974/1974
Riddler/1973/1975
Figure/Year on Head/Year on body
Superman/1972/1974
Batman/1972/1974
Thor/1975/1974
Spider-man/1972/1974
Spider-man/1972/1974
Spock/1974/1974
Riddler/1973/1975
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