![](http://www.rumseyauctions.com/lotphotos/56/158663.jpg)
Lot
2236 ![](http://www.rumseyauctions.com/images/mint.gif)
1917, 1¢ green, imperf between, horizontal pair, o.g., never hinged, rich deep color, exceptional freshness, Very Fine; with 2013 P.S.A.G. certificate. Scott No. 498b $1,400.
Realized: $525
![](http://www.rumseyauctions.com/lotphotos/56/158662.jpg)
Lot
2237 ![](http://www.rumseyauctions.com/images/mint.gif)
1917, 1¢ green, imperf between, horizontal pair, o.g., never hinged, deep color, P.O. fresh, Fine; with 2013 P.S.A.G. certificate. Scott No. 498b $1,400.
Realized: $325
![](http://www.rumseyauctions.com/lotphotos/56/159261.jpg)
Lot
2238
1917, 3¢ light violet, type I, imperf horizontally, vertical pair, o.g., very lightly hinged, exceptional centering, bright color, Extremely Fine, a rare imperforate error, with only 25 pairs issued; with Ward handstamp & 2012 P.S.E. Graded certificate (XF 90). Scott No. 501c $2,500.
Realized: $2,600
![](http://www.rumseyauctions.com/lotphotos/56/159126.jpg)
Lot 2239 o
1917, 11¢ light green, perf 10 at bottom, showing transitional perforations from perf 11 to perf 10, Minneapolis, Minn. precancel, rich bright color, F.-V.F.; with 1987 P.F., 2004 & 2011 P.S.E. certificates.Scott No. 511a $4,000.
ONE OF TWO SOUND EXAMPLES OF THE THE 1917 11¢ ISSUE SHOWING THE TRANSITION FROM PERF 11 TO PERF 10.
The Philatelic Foundation to date has certified only five examples of the 11¢ transitional perf variety. Of the five, three examples are faulty.