Thats a hard question to answer. There are alot of factors with this. Are they all from the same breeder and bloodline? What exactly do the females look like? Even if you have a SHTCTBxSHTCTB doesn't mean that all of their offspring will be SHTCTB. The babies on average are a blend off the parents. Some turn out better and some have more spots. If they are a related line the should be SHTs maybe a few with CT. A SHTCTB is around $100 USD now so next year it will be around $50. So if its not a Baldy or a CT I would guess around $20-$30. Depending on color, spotting, CT, head spotting.
I sold this for $40 this year

This one I sold for $110

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Brian
www.thewindycitygecko.com