#1838-41 American Architecture first day cover by Carole Murry. The lower left corner is creased. Po..
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#1838-41 American Architecture Silk first day cover by Colorano. Postmark State: NY City: New York ..
$2.50
#1838-41 American Architecture first day cover by Pegasus - Reader's Digest. Scott number is pencile..
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#1838-41 American Architecture first day cover by Ross Silver Foil Covers. The upper center on each ..
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#1838-41 American Architecture first day cover by Spectrum Covers. There are toning spots and the up..
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#1838-41 American Architecture first day cover by T M Historical Covers. Postmark State: NY City: Ne..
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#1838-41 American Architecture first day cover by T. Michael Weddle. Postmark State: NY City: New Yo..
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#1838-41 American Architecture first day cover by T. Michael Weddle. There is a smudge to the lower ..
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#1839 Trinity Church Boston - American Architecture first day maximum card by Colorano. Postmark St..
$1.50
#1839 Trinity Church Boston - American Architecture first day cover by Spectrum Covers. There is smu..
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#1840 Pennsylvania Academy of Fine Arts - Philadelphia - American Architecture first day cover by Sp..
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#1841 Lyndhurst - American Architecture first day cover by Spectrum Covers. Postmark State: NY City:..
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#1928-31 American Architecture first day cover by Bazaar. The lower center edge is creased. Postma..
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#1928-31 American Architecture first day cover by Fred Collins. There is a paint spot within the low..
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#1928-31 American Architecture first day maximum card by Colorano. Postmark State: DC City: Washing..
$6.00
#1928-31 American Architecture first day cover by Lois Hamilton. Postmark State: DC City: Washington..
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#1928-31 American Architecture first day cover by KMC Venture. Postmark State: DC City: Washington Y..
$2.00
#1928-31 American Architecture first day cover by Pegasus - Reader's Digest. Postmark State: DC City..
$4.00
#1928-31 American Architecture First Day Cover by Lee Ziola Powell. Postmark State: DC City: Washin..
$32.00
#1928-31 American Architecture First Day Cover by T M Historical Covers. This cover was label addre..
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#1928-31 American Architecture First Day Cover by Watercolor Cachets. Postmark State: DC City: Wash..
$8.00
#1929 Biltmore House - Asheville - American Architecture first day maximum card by Colorano. Postma..
$1.50
#1935 James Hoban first day cover by Andrews Cachet. There is a large crease on the upper left side..
$1.25
#1935 James Hoban First Day Cover by Bittings. Postmark State: DC City: Washington Year: 1981 Mont..
$1.25
#1935 James Hoban first day cover by Richard E. Ellis. The flap is tucked and sealed. Postmark State..
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#1935 James Hoban first day cover by Kribbs Kovers. The edges are creased. Postmark State: DC City..
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#1935 James Hoban first day cover by Kribbs Kovers. The edges are toned. Postmark State: TX City: ..
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#1935 James Hoban first day cover by Pegasus - Reader's Digest. Postmark State: DC City: Washington ..
$1.00
#1935 James Hoban first day cover by SOS Covers. Postmark State: DC City: Washington Year: 1981 Mont..
$1.50
#1935-36 James Hoban first day cover by Fred Collins. Postmark State: DC City: Washington Year: 198..
$5.00
#1935-36 James Hoban first day cover by House of Farnam - American Postal Arts Society variety. The..
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#1935-36 James Hoban first day cover by Land's End. The lower right edges are creased. Postmark Stat..
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#1935-36 James Hoban first day cover by T. Michael Weddle. Postmark State: DC City: Washington Year:..
$9.00
#1936 James Hoban first day cover by Kribbs Kovers. The edges and corners and along the insert edge..
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#1936 James Hoban first day cover by SOS Covers. Postmark State: DC City: Washington Year: 1981 Mont..
$1.50
#1936 James Hoban first day cover by Spectrum Covers. The upper right edge is creased. Postmark Stat..
$1.25
#2019-22 American Architecture first day cover by Fred Collins. Collins' number and original purchas..
$7.00
#2019-22 American Architecture first day cover by Lois Hamilton. Postmark State: DC City: Washington..
$7.00
#2019-22 American Architecture first day cover by KMC Venture. The lower left edge is creased and th..
$2.00
#2019-22 American Architecture first day cover by Pegasus - Reader's Digest. Postmark State: DC City..
$4.00
#2020 Illinois Institute of Technology - American Architecture first day cover by Pegasus - Reader's..
$1.00
#2020 Illinois Institute of Technology - American Architecture first day cover by SOS Covers. The up..
$1.00
#2021 Gropius House - American Architecture first day cover by PK Cachets - Pat and Ken Carr. The ed..
$6.00
#2021 Gropius House - American Architecture first day cover by Pegasus - Reader's Digest. Postmark S..
$1.00
#2021 Gropius House - American Architecture first day cover by Lee Ziola Powell. The left edge is cr..
$8.00
#2021 Gropius House - American Architecture first day cover by SOS Covers. Postmark State: DC City: ..
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#2022 Dulles Airport - American Architecture first day cover by DRC Cachets. Postmark State: DC Cit..
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#2022 Dulles Airport - American Architecture first day cover by Pegasus - Reader's Digest. Postmark ..
$1.00
#2022 Dulles Airport - American Architecture first day cover by PK Cachets - Pat and Ken Carr. The u..
$7.00