Superman Cape (Mail-Away)

 

supermancapeoffer

The Superman Cape offer was offered on select 2nd series cardbacks (example shown above).  By sending in 3 proofs of purchase and $1.50, you could get the cape shown below.

supermancape

 

You can see the design and logo were slightly different than the preview shown on the back of the cardback.

supermancapeoffer_back

For more information about the Superman Cape Offer cardback variation, see the article: Super Powers Guide to Collecting Cardback Variations