1928 Eagle, 25c perforated (seven) and imperforate (two), the complete set of nine trial colors, h.r., fine-v.f., signed Ruidiaz, Sanabria, etc. Sanabria states these trial colors are proofs, but were sold at the post office, only 50 of each printed (Cat No. San.6-14) (Image)

Est.$5,000

1939 Printing in Mexico, 40c slate green, imperf. vertical pair, unused without gum, v.f., cat. $700 (Cat No. C98a) (Image)

Cat. $700, Est.$250