Lot
2118 
1921, 1¢ green, rotary coil waste, well centered single, tied to multicolor view post card by "Washington, D.C., May 21, 1921" machine cancel on post card to Sidell, Ill.; lower right corner card creases, still Very Fine, ex-Alpha; with clear 2001 APS certificate. Scott No. 543 Estimate $1,000 - 1,500.
THE EARLIEST DOCUMENTED USE OF THE 1¢ PERF 10 ROTARY COIL WASTE.
This is actually quite early as Johl lists May as the month of issue, and Washington, D.C. is the city most likely to first have the stamps.