I'm very pleased at how the lovely King Tut variegated thread doesn't overpower the lighter blocks, and no marking needed! But then, disaster struck.
Still the bottom corner to quilt, an empty bobbin, and only this paltry amount of thread left! Luckily 'New Threads' mail order service is speedy and well priced. I'm sure more thread will be here in a couple of days and I can still meet my deadline!