Postal Stationery items. PLATE VARIETIES ON ENVELOPES OF THE 5TH ISSUE: 1861, 12 items, including 5 of 10k(+1k) black (gray black or gray), 4 of 20k(+1k) gray ultra (pale ultra) and 3 of 30k(+1k) brick red (pale brick red), each one showing indicia's printing flaws, neatly arranged on exhibition pages, apparently fresh, unused and VF, Standard Cat. #SK10- 12, var, C.v. $1,525 for envelopes w/o varieties, Est. $800-$1,000 (Image)