Lot
2256 
1921, 1¢ green, rotary coil waste, perf 10 x 11, imperf between, left pair in a corner margin horizontal strip of 3, full o.g., imperf pair exceptionally well centered with evenly balanced margins around, bold color, Extremely Fine and choice, one of the rarest imperf between errors, ex-Whitman and "Sirron"; with 2011 P.F. certificate. Scott No. 543a $5,000.
REGARDED AS THE FINEST EXAMPLE OF THE 1921 1¢ ROTARY COIL WASTE IMPERF BETWEEN VARIETY - WITH ONLY FOUR SUCH PAIRS RECORDED.
Realized: $1,900