Lot
1770 
1923, $5 carmine & blue, Top arrow and double plate numbers F14326/F14327 block of eight, also center line block of four and block of four with blue plate no. F14326, cancelled by blind ovals on oversize registered cover to Downers Grove Ill., also used with 5¢ and 10¢ stamps, purple "Chicago Ill. Registered Feb. 11, 1937" backstamp, couple of perf separations, Very Fine. Scott No. 573 Estimate $1,000 - 1,500.
A RARE USAGE OF THE PLATE BLOCK AND A CENTER LINE BLOCK ON THE SAME COVER.
Realized: $2,200