Inverted Feather, Cambridge   Updated 12/5/2011
Inverted Feather has a row of hobstars above columns of an vertical feather motif. There are quite a few shapes known, but only the cracker jar and parfait are seen with any frequency. There is one known marigold milk pitcher and a couple of marigold water pitchers. Some pieces are signed Near Cut.
Cracker jar

Amethyst base, green top, 2-3 known,
   175 (1998)

Green, 100-150

Punch sets

Green, 7 piece, 950 (2009)

Marigold, 8 piece, 4,000 (1995), 1,400 (1997)

Marigold, 7 piece, 3,100 (2008), 650 (2009)

Punch cups

Green, 60 (2005), 90 (2011)

Marigold, 30-50

Table set pieces rarely sell, so it is difficult to establish value. Any, however would bear a premium price. The above amethyst creamer, with a rough lip, sold in 1998 for $100. The common parfait above, also referred to as a compote, is known only in marigold.
Table set, 4 piece

Amethyst, 1,000 (2010)

Creamer

Amethyst, 375 (2003), 95 (2004),
   85 (2009)

Marigold, 105 (2001)

Spooner

Amethyst, 350 (1997), 375 (2000),
   175 (2004)

Sugar

Amethyst, 725 (1997)

Parfait or compote

Marigold, 10-20

Wine glass

Marigold, 500 (2007), 525 (2008)

Cordial

Marigold, 500 (1998)

Powder jar

Green, rough rim, 205 (1997)

Marigold, 275 (1997)

Pitchers and tumblers in the Inverted Feather pattern are extremely rare. The pitcher above is courtesy of Ruth Phillips. John Britt reported six tumblers in marigold and a few more than that in green. Amethyst tumblers are also rare.
Pitcher, tankard style

Amethyst, 17,000 (2008)

Marigold, 4,250 (2010)
Tumblers

Amethyst, 65 (2009), 325 (2010)

Green, 300 (2001), 700 (2003),
   100 (2004), 270 (2009)

Marigold, 450 (2010)
As rare as most pieces in this pattern are, these two are even more so. The green bon bon, whimsied from the base of the cracker jar, sold in 1996 for $2,750. One with a base chip brought $450 in 2004. Another brought $700 in 2007. The vase, which appears to have been made from the pitcher, is courtesy of Don and Becky Hamlet.