Auction #1834 WORLDWIDE + ARGENTINA: General Winter auction

GJ.185, 1926 5c. San Martín w/o period, complete sheet of 200 stamps WITH TWO IMPORTANT VARIETIES: offset impression on back and the overprint applied diagonally (in the stamps at left applied over the value box, and in those at right, over the face of San Martin!), it also includes other overprint varieties (M without period, broken G, etc.), mint with gum but stained, all the same very interesting, very low start!