I believe there are two separate sets here, and they are designed the same and being very confusing. I'm mostly speculating here because tangible evidence is very hard to come by.
It is my theory that 2017 Leaf saw Bellinger (01-05), Acuna (06-10), and Robles (11-15). I assume the back of this card has the tagline 2017; I know the Acuna cards that I've seen do, and at least one member said he had a Robles that "was just like the Acuna"; I presume that to include the 2017 date.
I think that "2018 Leaf Retail Shohei Ohtani" is a single 5 card set that is linked above, and comes with Red and Gold parallels as well: https://www.comc.com/Cards/Baseball/2018_Leaf_Retail_Shohei_Ohtani,sc,vDetails,i100,=shohei+ohtani,ot
Again, these are my theories. I know one member reached out to Leaf for a checklist, but I'm pretty sure that ain't gonna happen.
I'll never quit collecting entirely, but I am downsizing. Check out my COMC store and help me thin out what I don't want so I can buy cards that I do want. See something you like? Send me a message on here, and we can knock the price down quite a bit. I'll even take a bit of a loss if it means getting you a card you really want.
