Lot
172 
Mexico, 1884, Hidalgo Medallion, 1c green, imperf, block of four, on reverse of cover, in combination with 1884, Hidalgo Medallion, 4c green, imperf, vertical pair (153a) on pristine cover from Allende to Mexico dated 1892; cover opened at sides for display, Very Fine, a unique combination of two imperfs. Scott Nos. 150a Estimate $300 - 400.