Grammage greater strength. Paper weight is sometimes stated using the "#" symbol. For example, "20#" means "20 pounds per basis ream of 500 sheets". When the density of a ream of paper is given in pounds, it is often accompanied by its "M weight". The M weight is the weight (in pounds) of 1000 cut sheets. Paper suppliers will often charge by M weight, since it is always consistent within a specific paper size, and because it allows a simple weight calculation for shipping charges. For example, a 500-sheet ream of 20# copy paper may be specified "10 M". 1000 cut
Canada 2c Large Queen on laid paper Canada 2c Large Queen on laid paper The 2¢ Large Queen on laid paper is the rarest postage stamp of Canada. Printed in 1868, it was not discovered until 1925, and so far only three have been found, all used. Many more could exist as at least one sheet must have been printed, and possibly many sheets; however, they may all have been destroyed, or lie unrecognised in stamp collections or on cover. The Large Queens were the first issue by the Dominion of Canada; they are so-called to distinguish them from the 1870 issues (the "Small Queens") which are