1852 30c Black on blue, Ty. I, without gum as issued,
an extraordinarily choice single, which is unquestionably
the finest mint example in existence, boasting exceptionally
large and even margins on all four sides, plus its color is
particularly rich and the impression is deeply etched on
marvelously fresh paper that still retains its original bluing

The Rolfe E. Wyer Collection of French Colonies
Sold by Spink Shreves on 25-26 May 2011 for US$25,000