http://www.stampcollectioninfo.com/20th-century-stamp-2/
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 5 Different First Day Covers for 1900s Celebrating the 20th Century Sheet 3182 $0.95 Time Remaining: 4h 24m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1920 1929 $0.99 Time Remaining: 6h 39m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 7h 26m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 7h 41m |
 USA Early 20th Century Minerals Advertising Cover $49.00 Time Remaining: 7h 53m |
 USS Broome 20th century Fancy cancel Merry Christmas USCS chapter 46 cachet 12 $15.00 Time Remaining: 8h 8m Buy It Now for only: $15.00 |
 735A USS Broome Happy New Year 20th Century fancy cancel J M Tyson my last canc $25.00 Time Remaining: 8h 9m Buy It Now for only: $25.00 |
 USS Broome Columbus day 20th century fancy cancel 10 12 1934 J M Tyson postmaste $25.00 Time Remaining: 8h 9m Buy It Now for only: $25.00 |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 8h 10m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 8h 18m |
 Old United States Mint Stamps 19th 20th Century Unused $5.50 (12 Bids) Time Remaining: 8h 47m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 9h 32m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 9h 40m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 9h 52m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 9h 59m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 10h 10m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 10h 17m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 10h 52m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 10h 59m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 11h 4m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 11h 9m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1900 1909 $0.99 Time Remaining: 11h 13m |
 US ATTRACTIVE EARLY 20th CENTURY 1901 SHOTGUN COVER $9.99 (1 Bid) Time Remaining: 13h 11m |
 NEW YORK CENTRAL RAILROAD 20th CENTURY LIMITED COVER INK BLOTTER 1952 $1.80 (2 Bids) Time Remaining: 16h 1m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 1d 4h 13m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 1d 4h 20m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 1d 4h 28m |
 OFFICIAL FIRST DAY OF ISSUE COVER CELEBRATING THE 20TH CENTURY 1910 1919 $0.99 Time Remaining: 1d 4h 45m |
 3184k 20th Century Limited Locomotive Photo of Essay $5.40 Time Remaining: 1d 7h 20m |
 US STAMPS EARLY 20TH CENTURY DEF SC304 478 CV 600+ $86.48 Time Remaining: 1d 9h 18m |
 vintage mahogany speedboats from early mid 20th century nice sheet diff boats $5.99 Time Remaining: 1d 11h 24m |
 Liz Taylor Richard Burton in Cleopatra 20th Century Fox postcard $2.99 (1 Bid) Time Remaining: 1d 16h 52m |
 20th Century Collection of Stamps with Faults c1900s Lot4023 $0.99 (1 Bid) Time Remaining: 1d 18h 7m |
 1ST DAY OF ISSUE COVER AND PANEL STREAMLINE DESIGN 20TH CENTURY 3185 $0.99 Time Remaining: 1d 18h 28m |
 Attic Lot US 19th 20th Century Mint Used 35 1 oz $35.00 Time Remaining: 2d 8h 43m Buy It Now for only: $35.00 |
 ALL 66 FEDERAL DUCK STAMP of the 20th CENTURY ALL BEAUTIFUL UNSIGNED UNLIMITED $998.00 Time Remaining: 2d 8h 49m Buy It Now for only: $998.00 |
 ALL 66 DUCK STAMPS OF THE 20TH CENTURY BOTH UNSIGNED ANDSIGNED INCLUDES FRAME $588.00 Time Remaining: 2d 8h 49m Buy It Now for only: $588.00 |
 ALL THE FEDERAL DUCK DUCK STAMPS OF THE 20TH CENTURY 66 UNSIGNED BEAUTYS $998.00 Time Remaining: 2d 8h 49m Buy It Now for only: $998.00 |
 20th Century Collection of Stamps with Faults c1900s Lot4027 $0.99 (1 Bid) Time Remaining: 2d 10h 9m |
 Lot 11 Old Used Stamps 19th Early 20th Century All Different $0.99 Time Remaining: 2d 10h 32m |
 THE BEST OF THE REST 600 + 19th and EARLY 20th CENTURY $15.50 (6 Bids) Time Remaining: 2d 14h 7m |
 20th Century Mint Original Gum Collection of Stamps c1900s Lot4030 $0.99 (1 Bid) Time Remaining: 2d 14h 48m |
 Ohio Dawn 1930 Registered Cover 20th Century Maltese Cross Fancy Cancels $45.00 Time Remaining: 2d 15h 21m |
 US Collection of 30 Used and Unused stamps 19th and 20th Century $0.99 Time Remaining: 2d 16h 40m |
 Stamp US Sc 3333 7 Sheet 1999 Famous Trains 20th Century Limited Daylight MNH $9.00 Time Remaining: 2d 17h 53m |
 STAMPS CELEBRATING THE 20TH CENTURY FIRST DAY COVERS 12 $8.00 Time Remaining: 3d 6h 14m Buy It Now for only: $8.00 |
 STAMPS CELEBRATING THE 20TH CENTURY FIRST DAY COVERS 12 $8.00 Time Remaining: 3d 6h 36m Buy It Now for only: $8.00 |
 STAMPS CELEBRATING THE 20TH CENTURY FIRST DAY COVERS 2 $8.00 Time Remaining: 3d 6h 48m Buy It Now for only: $8.00 |
 POSTMARKS ON POSTCARDS AN ILLUSTRATED GUIDE TO 20TH CENTURY US POSTMARKS BOOK $9.99 Time Remaining: 3d 7h 26m |
 19th 20th Century Special Deliveries 12 Used E1 16 SCV 180+ $2.49 (1 Bid) Time Remaining: 3d 8h 15m |