USA 1933-35 2nd Byrd Antarctic Expdn skilfully hand illustrated cover (skiplane dropping US flag over ice), franked 1933 3c B.A.E. stamp SG 732 canc "Little America Antarctica" machine d/s JAN 31 1934. Fine cachet "This letter has been delayed....(etc)". Special San Francisco receipt b/s MAR 25 1935 (long transit!) Imprint of & addressed to Edwin B Hammack (the artist?) Fine. Very attractive & rare item of mail art.

USA 1861 10c Washington, p x 13mm grill, pulled perf at left. Scott 96. Cat US$225. GU.

USA 1888 Special Delivery orange. SG E251. Cat £65. GU.

USA 1890 30c Jefferson. SG 233. Cat £40. GU.

USA 1923 8c, 16c & 24c Air Mails. SG A614-16. Cat £90. FU.

USA 1988 $8.75 Moon & Eagle. SG 2378. Cat £32. MUH.

USA 1991 Centenary of Bureau of Engraving m/ss. SG 2975. Cat £29. MUH.

USA 1991 $14 Eagle. SG cat £48. MUH.

USA 1994 Legends of the West sheetlet. SG 2950-69. Cat £28. MUH.

USA 1995 Civil War sheetlet. SG 3059-78. Cat £32. MUH.

USA 1996 Atlanta Olympic Games sheetlet. SG 3184-3203. Cat £28. MUH.

USA 1997 Movie Monsters sheet. SG 3363-7. Cat £26. MUH.

USA 1998 $3.20 Space Shuttle. SG 3538. FU.

USA 1998 $3.20 & $11.75 Space Shuttle (2v) SG 3538-9. Cat £47+. FU.

USA 2001 $3.50 & $12.25 Washington's Monuments. SG 3900-1. Cat £54. FU.

USA 2002 American Photography set. SG cat £24. FU.

USA 2002 $3.85 & $13.65 Washington's Monuments. SG 4163-4. Cat £53+. FU.

USA 2006 Washington Stamp Exbn m/s on piece. SG 4618. Cat £26. FU.