The "Decimal" chips come in pink ($1), green ($10) and brown ($20) that I know of. I also think these may be Burt chips although I wouldn't bet on it.

Also, I don't think they are generic chips --mainly because there are just so few found. If generics, I'm sure there would be many other denominations.

I do believe USPC made generic c&s. The "Florida Palms" (H.C. Evans, distributor) and "Sailing Ship" (Drake & Co., distributor) are 2 that come to mind. Now if someone had catologs from these two distributors, maybe these two chips might just be shown.