1978, Wright Brothers issue, 31c multicolored, ultra and black engraved colors dramatically shifted to the top, block of four vertical se-tenant pairs, full OG, NH, VF, a beautiful and scarce item (Image)

2012, View of Lancaster County, PA, $1.05 multicolored, self-adhesive stamp, top left corner sheet margin plate No. S11111 vertical pair with die cutting omitted on front, backing paper intact, VF, C.v. $700 (Image)