From left to right -- actual postage additional:

CD 126.4 W.E.MFG. Co. // WU // Patent Dec. 19, 1871 in a nice green shade -- interesting overpour almost a continuous drip -- some flaking around the sharp base and a couple BB dings, overall very nice -- $20 (SOLD)

CD 162 Brookfield odd variant -- VNM -- $5 (SOLD)

CD 112 #11 O.V.G.CO. in a nice blue shade -- VNM -- $5 (SOLD)

CD 134 H.G.CO. / PATENT MAY 2 1893 // No. 20 -- SDP, VNM -- $3