#1678 Oklahoma State Flag first day cover by America Cachets. Postmark State: DC City: Washington Ye..
$2.00
#1678 Oklahoma State Flag first day cover by Colonial Cachets. The lower right corner is creased. Po..
$2.00
#1678 Oklahoma State Flag first day cover by Duke Duffy. The corners are creased. Postmark State: ..
$3.00
#1678 Oklahoma State Flag first day cover by Jack's Covers. This cover is from a unique state flags..
$25.00
#1678 Oklahoma State Flag first day cover by Medallion. Postmark State: OK City: Oklahoma City Year:..
$2.50
#1678 Oklahoma State Flag first day cover by RLG - R L Goldstein. Postmark State: DC City: Washingto..
$5.00
#1678 Oklahoma State Flag first day cover by an unknown cachetmaker. Postmark State: PA City: Phila..
$2.00
#1678 Oklahoma State Flag first day cover by an unknown cachetmaker. Postmark State: DC City: Washi..
$2.00
#1988 Oklahoma Birds and Flowers first day cover by Andrews Cachet. Postmark State: DC City: Washin..
$1.50
#1988 Oklahoma Birds and Flowers first day cover by American Postal Arts Society. Postmark State: OK..
$2.50
#1988 Oklahoma Birds and Flowers first day cover by Artopages. The lower right edge is dinged. Postm..
$3.00
#1988 Oklahoma Birds and Flowers first day cover by Bazaar. Postmark State: OK City: Oklahoma City ..
$1.50
#1988 Oklahoma Birds and Flowers first day cover by Bazaar. Postmark State: DC City: Washington Yea..
$1.50
#1988 Oklahoma Birds and Flowers First Day Cover by Bittings - Diamant Cachets. Postmark State: OK ..
$3.00
#1988 Oklahoma Birds and Flowers first day cover by Colonial Cachets. The edges are toned and the lo..
$1.00
#1988 Oklahoma Birds and Flowers first day cover by American Postal Arts Society. Postmark State: O..
$3.00
#1988 Oklahoma Birds and Flowers first day cover by Gamm Covers. Postmark State: OK City: Oklahoma ..
$3.00
#1988 Oklahoma Birds and Flowers first day cover by Eleanor Slyter. The corners are creased and the..
$5.00
#1988 Oklahoma Birds and Flowers first day cover by Society of Spanish and Spanish-American Studies...
$1.50
#1988 Oklahoma Birds and Flowers first day cover by Society of Spanish and Spanish-American Studies...
$2.00
#1988 Oklahoma Birds and Flowers first day cover by Society of Spanish and Spanish-American Studies...
$2.00
#1988 Oklahoma Birds and Flowers first day cover by Art Coy. The edges and corners are creased. Post..
$3.00
#1988 Oklahoma Birds and Flowers first day cover by John Doneilo - Jeanne Luras. Postmark State: OK ..
$10.00
#1988 Oklahoma Birds and Flowers first day cover by Andy Allison - Double A First Days. Postmark Sta..
$2.50
#1988 Oklahoma Birds and Flowers first day cover by Gamm Covers - colored by H. I. Swindall. Postma..
$6.00
#1988 Oklahoma Birds and Flowers first day cover by Melissa Fox. Postmark State: OK City: Oklahoma ..
$7.00
#1988 Oklahoma Birds and Flowers first day cover by Gage's Coins & Stamps. This is the 1st Gage cac..
$2.00
#1988 Oklahoma Birds and Flowers first day cover by Gamm Covers. Postmark State: DC City: Washington..
$2.50
#1988 Oklahoma Birds and Flowers First Day Cover by Geri Peltin - Great Picture Covers. The upper ce..
$5.00
#1988 Oklahoma Birds and Flowers First Day Cover by Geri Peltin - Great Picture Covers. The upper ce..
$5.00
#1988 Oklahoma Birds and Flowers first day cover by JLP Cachet - Gold. Postmark State: OK City: Okla..
$2.50
#1988 Oklahoma Birds and Flowers first day cover by JLP Cachet - Silver. The upper right edge is cre..
$2.50
#1988 Oklahoma Birds and Flowers first day cover by JLP Cachet. The upper center edge is creased. Po..
$2.50
#1988 Oklahoma Birds and Flowers first day cover by LWJ Cachets. The edges are creased and the flap ..
$1.50
#1988 Oklahoma Birds and Flowers first day cover by Medallion. The flap is partially sealed. Postmar..
$2.50
#1988 Oklahoma Birds and Flowers first day cover by Namake Cachets. The corners are creased. Postm..
$3.00
#1988 Oklahoma Birds and Flowers first day cover by Julian and Sharon Pugh. This cover is #16 of 50...
$6.00
#1988 Oklahoma Birds and Flowers first day cover by Eleanor Slyter. Postmark State: DC City: Washing..
$4.00
#1988 Oklahoma Birds and Flowers first day cover by Eleanor Slyter. The edges and lower right side a..
$2.50
#1988 Oklahoma Birds and Flowers first day cover by Society of Spanish and Spanish-American Studies...
$2.00
#1988 Oklahoma Birds and Flowers first day cover by Society of Spanish and Spanish-American Studies...
$1.50
#1988 Oklahoma Birds and Flowers first day cover by Tudor House. Cover is signed by Harry B. Harn J..
$3.50
#1988 Oklahoma Birds and Flowers first day cover by an unknown cachetmaker. The upper and right edge..
$2.00
#3596 Greetings From Oklahoma first day cover by Alto. Scott number is penciled on the reverse under..
$3.00
#3596 Greetings From Oklahoma first day cover by Anagram Cachets. Postmark State: OK City: Oklahoma..
$6.00
#3596 Greetings From Oklahoma First Day Cover by Artmaster. Postmark State: NY City: New York Year:..
$1.50
#3596 Greetings From Oklahoma first day cover by Fred Collins. The lower left corner and upper cente..
$5.00
#3596 Greetings From Oklahoma Silk first day cover by Colorano. Postmark State: OK City: Oklahoma Ci..
$2.50
#3596 Greetings From Oklahoma first day cover by Covercraft Cachets. Postmark State: NY City: New Y..
$2.50
#3596 Greetings From Oklahoma first day cover by Dave Curtis. Postmark State: OK City: Oklahoma City..
$7.00