Lot
2665 
Mexico, Airmail, 1927 Eagle vignette, trial color proof in black, on "Correos Mexico" watermark paper (61x25mm), bright and fresh, fold in margin at right, Very Fine, a very rare proof (a similar example sold for $1,600 hammer in 2019). Scott No. C2P Estimate $750 - 1,000.
Realized: $750