Gemstone Rune Set with Velvet Bag and Instruction Pamphlet (RSM)

Are they "printed" on both sides? If not, how can they be cast and read?

How long does shipping take?

Seller, do you know what gemstone each of these are and is there anything that we get that tells us?

Can you send a replacement stone for i have two of the same in the pag i purchased...i received 2 sigil...and missing the eoh rune.