Auction #1834 WORLDWIDE + ARGENTINA: General Winter auction

GJ.61, 1915 Plowman 2c. unwatermarked with M.A. overprint, sheet of 100 stamps (left sheet margin missing), it includes some interesting varieties in positions 32, 34, 37 and 66. A few stamps have stain spots on gum and few perforations are a little separated, VERY RARE, catalog value US$150+