Lot 71988 – 1865 First printing 1/2r with B sheet margin, show

1865 First printing 1/2r with B sheet margin, showing plate variety (coloured blob) resembling “running rat” in TR spandrel, together with 1r pair in brownish yellow, pos. 50-51 from the scarce 1st printing (pos. 51 has foot of 2nd “R” in “CORREOS” longer), all with ms Chimbo cancels on medium-size judicial front to Guaranda, attractive and scarce franking, very fine