Prussia, 1852 1Sgr on rose + 2Sgr on blue & 2Sgr on yellow. Tied together on 1852 folded cover to Frankfurt by three strikes of numeral "258" in concentric circles with "Coeln" double circle postmark alongside, all stamps well margined, Extremely Fine and choice, a wonderful three color franking. Michel No. 2+3+4. Estimate  $750 - 1,000. $0 (Image)

Prussia, 1858 3Sgr yellow orange + 1859 6pf orange. Tied together on 1861 folded cover to France by beautiful strike of boxed "Cöln-Bahnhof" (Colonge Rail Station), both stamps well margined except 3gr just touched at top right, Very Fine and attractive. Michel No. 12a+13a. Scott No. 13+10  Estimate $200 - 300. $0 (Image)