Lot 71998 – 1r Dull Yellow, 1872 6th printing, vertical BR cor

1r Dull Yellow, 1872 6th printing, vertical BR corner margin pair (pos. 81/90) with border lines trimmed away, pos. 90 showing rounded BR corner, tied by very rare violet Jipijapa undated circular cancel and sent to Valparaiso, CHILE (very scarce destination), pair with four margins, a very useful showpiece for multiple reasons, very fine, ex Bustamante