I'm looking at an ad from an error dealers list. He is offering for sale : Zinc coated steel, 1 cent blank, Type 1, 1943, unc for $9.95. Hope this helps.
This is an old thread. Here is a newer one: https://www.cointalk.com/threads/reasonable-prices-for-blank-planchet-u-s-coins.294934/#post-2715789 Check out post #8 and #10
