This one is called "Sea Grasses" and consists (from left to right) of Nut, Lichen, Nile Green Transparent, Robin's Egg Blue, and Moca. These are Thompson Enamels, 80 mesh, medium temperature/medium expansion. The cost for this collection is $16.40, plus shipping.
Nile Green Transparent over Nut
Robin's Egg Blue
I'll be adding more collections, like Summer Breezes, English Garden, Hot 'n Spicy, Rum Runner, Cafe Au Lait .... Don't those sound great? :-) I know you're already conjuring up images of what enamels with be in each set.