Canada #28 Mint, fine, block of four, full original gum, hinged, showing several plate varieties or flaws including a dot at the top in S of CENTS in the upper left stamp. Has weak frame, a dot in the margin and the pitted plate near the 1/2 of the left 12 1/2 in the upper right stamp. A dot at the middle of the S of CENTS in the lower left stamp and both right stamps with the shading of the tail of the right 2 extending into the value tablet. With certificate.