'68 Camaro SS396 with MQ 375hp Block
 

Not saying it's an original L78 but the seller claims it does have a MQ coded block. Might be worth looking into but I suspect the seller would have mentioned the original engine if it was in fact the original.

Sequoia Green, too...great color.

Link to 1968 Camaro SS396

https://i.ebayimg.com/images/g/ez4AA...R0/s-l1600.jpg