I am selling my GNG in exchange for:
EITHER a ROOK or a RUBE cubimal
AND at least ONE of the following:
Gwendolyn
Helga
Yeti
I will accept bids for 2 days, or sell to the first person to offer me all 4 - either:
Rook, Helga, Gwendolyn, and Yeti,
or
Rube, Helga, Gwendolyn, and Yeti.