Check the listing for details. S42651 RUSSIA 1959 MNH** Geophysical year 1r block of 10. Listed at 10.00 USD. The sheet is folded horizontally between the second and third row of stamps. the fourth stamp on the left features, in our opinion, an original paper dot. It is distinguished from an oxidation point by the thickness of the paper to the touch. The sheet is horizontally folded between the second and the third row of stamps. The 4th left stamp, according to us, looks much more like an original paper spot more than a toned spot. This is becouse touching the spot the paper is thicker and this happens only with original paper spot. We always suggest registered mail shipping because it is trackable and it has full refund if lost. Foreign bidders who need more information, please contact us anytime. For foreign buyers who need further information we answer in English. The items for sale are.