18 Cent Denomination Unused US Stamps (1941-Now)

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United States

106 results

US Scott 1912-1919 1981 Space Exploration Stamps 18 Cent Face MNH
$20.00
or Best Offer
$5.02 shipping
US #1917 MNH 1981 Space Shuttle Columbia
$2.88
or Best Offer
Free shipping
#1912-19 Space Achievements 18 cent Block of 8 US Postage Stamps MNH OG
$4.95
$0.95 shipping
Space Achievement MNH Block Of 8 .18 stamps Scott's 1912-1919
$4.50
Free shipping
33 sold
US Stamps Scott 1912 - 1919 MNH on White Ace Album Pages in Mounts
$4.85
$2.00 shipping
Only 1 left!
US 1981 Commemorative Year Set of 42, 1874-1945 w/ Blocks & Singles - MNH
$9.96
Free shipping
55 sold
Scott 1931a, American Architecture , The 18¢ Block of 4 from 1981 - MNH
$2.29
Free shipping
US Scott 1912-1919 1981 Space Exploration Stamps 18 Cent Face MNH
$13.95
$8.75 shipping
Set of 18 cent Space Achievement Stamps (SC 1912-19) MNH
$2.09
$0.75 shipping
US. 1907. 18c. Surrey 1890s. Coil Pair of 2. MNH. 1981
$1.98
Free shipping
United States 1981 Space Achievements Stamp Issue Book Official Numbered Block
$12.99
$10.90 shipping
Scott 1907- 18c Surrey 1890s, Transportation Coil Series- MNH- unused mint stamp
$0.99
Free shipping
Only 1 left!
US 1981 SPACE ACHIEVEMENTS MNH BLOCK OF 8 18¢ STAMPS (SC# 1919a)
$2.29
$0.95 shipping
US #1912 MNH 1981 Moon Walk
$2.88
or Best Offer
Free shipping
US #1916 MNH 1981 Pioneer 11
$2.88
or Best Offer
Free shipping
US Stamps SC# 1827-30 Coral Reefs Sheet of 50 MNH 15c 1980 UNHINGED
$14.00
or Best Offer
$12.63 shipping
Space Achievement Issue Sheet of Forty Eight 18 Cent Stamps Scott 1912-19
$12.95
or Best Offer
$5.00 shipping
US 1981 SC#1912-19 SPACE ACHIEVEMENT POSTAGE STAMP BLOCK OF 8 MNH
$2.85
Free shipping
1981USA #1912-1919 18c Space Achievement - Set of 8 Singles Mint NH
$2.20
$0.20 shipping
36 sold
US. 1907. 18c. Surrey 1890s. Coil Single. MNH. 1981
$1.18
Free shipping
US Stamps, SC # 1912-19. Space Achievements . Full Block of 8. MNH. VF
$2.95
or Best Offer
$0.99 shipping
US Scott # 1915, 1981 Space Achievement Issue, 18 Cent Stamp, MNH
$1.25
Free shipping
US # 1912 - # 1919 , # 1919a , VF OG NH Se-Tenant Blk of 8 - I Combine S/H
$1.90
$1.75 shipping
US Scott # 1914, 1981 Space Achievement Issue, 18 Cent Stamp, MNH
$1.25
Free shipping
1981 USPS Space Achievement Folder & Stamps (8) with Cover Sleeve, MNH
$4.99
$2.97 shipping
Only 1 left!
US Scott # 1919, Comprehending the Universe Space Achievement 1981 18¢ Stamp MNH
$1.25
Free shipping
*Uncirculated* New Lot of 34 NASA Space Exploration *Stamps 18¢ Cent USA Shuttle
$9.99
or Best Offer
$5.00 shipping
Top Notch SN 1912-19 MNH Blk of 8 Commemorative Society Panel-Space Achievements
$9.95
$6.95 shipping
US #1919 MNH 1981 Telescope
$2.88
or Best Offer
Free shipping
US #1914 MNH 1981 Space Shuttle Columbia
$2.88
or Best Offer
Free shipping
MNH Exploring The Moon 1981 Stamps 18 Cent, Block Of 8
$3.00
or Best Offer
$4.35 shipping
US #1913 MNH 1981 Space Shuttle Columbia
$2.88
or Best Offer
Free shipping
US Scott #1907, Single 1981 Surrey 18c FVF MNH
$1.00
or Best Offer
$0.95 shipping
Only 1 left!
US 1912-1919 18c Space Achievement block of 8 unused stamps never hinged 1981
$2.29
or Best Offer
Free shipping
US Postage - 1981 Space Achievement - SC# 1912-1919 (8) Block of 8 Mint NH OG
$1.99
or Best Offer
$1.10 shipping
ALLY'S US ZIP Block Scott #1912-9 18c Space Achievement [8] MNH F/VF [F-31a]
$2.95
$0.75 shipping
US Scott # 1916, 1981 Space Achievement Issue, 18 Cent Stamp, MNH
$1.25
Free shipping
Sc # 2262 ~ 17.5 cent Racing Car 1911 Issue (dd18)
$1.00
$0.99 shipping
Only 1 left!
US #1919a MNH 1981 Space Achievement
$5.88
or Best Offer
Free shipping
UNHINGED 18 CENTS EXPLORING SPACE U.S. STAMP SHEET
$14.00
or Best Offer
$5.83 shipping
RKstamps-1981 1919a (1912-1919) 18 cents Space Achievement Se-tenant MNH OG
$2.25
Free shipping
SCN 1912-19 18c Space Achievement
$2.25
$0.60 shipping
US Scott #1907 Strip of 5 Plate #1 | Mint NH | VF Very Fine
$50.00
or Best Offer
$2.00 shipping
Scott 1912 - 1919 - Space Achievements. Block Of 8 MNH. OG. #02 1912b8
$3.00
Free shipping
1981 SPACE ACHIEVEMENT SOUVENIR FOLDER SET MINT SET
$9.99
or Best Offer
$5.02 shipping
1981USA #1912-1919 18c Space Achievement - Block of 8 Mint NH
$2.24
$0.20 shipping
Scott 1912-19, 18 Cent stamp sheet, 48 stamps
$20.99
$5.02 shipping
Scott #1912-19 Space Achievements 18c (Block of 8) 1981 Mint NH
$3.50
Free shipping
US Scott # 1919a (1912-1919), 1981 Space Achievement, (8) 18 Cent Stamps, MNH
$2.55
or Best Offer
Free shipping
MNH 1981 Space Achievement Souvenir sheet, Scott #1912-19 block of 8
$2.49
$0.70 shipping
ALLY'S US Plate Block Scott #1912-9 18c Space Achievement [8] MNH F/VF [G-17]
$2.75
$0.75 shipping
7 - 1981 US Stamps - Scott# 1912-1919 - Space - MNH/VF
$2.00
or Best Offer
$0.74 shipping
1981 SPACE ACHIEVEMENT FOLDER WITH 8 STAMPS MNH-US (Sealed)
$9.95
$3.28 shipping
U.S. Scott# 1919a, 1981 Space Achievements Issue, VF MNH Block of 8, No Faults
$2.50
$1.15 shipping
1981 SPACE ACHIEVEMENT FOLDER WITH 8 STAMPS MNH-US
$10.95
or Best Offer
Free shipping
ALLY'S US ZIP Block Scott #1912-9 18c Space Achievement [8] MNH F/VF [G-17]
$2.95
$0.75 shipping
Scott 1919a, Space Achievement 18¢ Block of 8 from 1981 - Mint, Never HInged
$3.59
Free shipping
USA Scott #1912-1919, 1919a MNH Block of 8 Stamps; 1981 18c Space Achievement
$3.00
$0.73 shipping
US #1915 MNH 1981 Skylab
$2.88
or Best Offer
Free shipping
US #1918 MNH 1981 Space Shuttle Columbia
$2.88
or Best Offer
Free shipping

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18 Cent Denomination Unused US Stamps (1941-Now)

Shop by category

106 results

US Scott 1912-1919 1981 Space Exploration Stamps 18 Cent Face MNH

US #1917 MNH 1981 Space Shuttle Columbia

#1912-19 Space Achievements 18 cent Block of 8 US Postage Stamps MNH OG

Space Achievement MNH Block Of 8 .18 stamps Scott's 1912-1919

US Stamps Scott 1912 - 1919 MNH on White Ace Album Pages in Mounts

US 1981 Commemorative Year Set of 42, 1874-1945 w/ Blocks & Singles - MNH

Scott 1931a, American Architecture , The 18¢ Block of 4 from 1981 - MNH

US Scott 1912-1919 1981 Space Exploration Stamps 18 Cent Face MNH

Set of 18 cent Space Achievement Stamps (SC 1912-19) MNH

US. 1907. 18c. Surrey 1890s. Coil Pair of 2. MNH. 1981

United States 1981 Space Achievements Stamp Issue Book Official Numbered Block

Scott 1907- 18c Surrey 1890s, Transportation Coil Series- MNH- unused mint stamp

US 1981 SPACE ACHIEVEMENTS MNH BLOCK OF 8 18¢ STAMPS (SC# 1919a)

US #1912 MNH 1981 Moon Walk

US #1916 MNH 1981 Pioneer 11

US Stamps SC# 1827-30 Coral Reefs Sheet of 50 MNH 15c 1980 UNHINGED

Space Achievement Issue Sheet of Forty Eight 18 Cent Stamps Scott 1912-19

US 1981 SC#1912-19 SPACE ACHIEVEMENT POSTAGE STAMP BLOCK OF 8 MNH

1981USA #1912-1919 18c Space Achievement - Set of 8 Singles Mint NH

US. 1907. 18c. Surrey 1890s. Coil Single. MNH. 1981

US Stamps, SC # 1912-19. Space Achievements . Full Block of 8. MNH. VF

US Scott # 1915, 1981 Space Achievement Issue, 18 Cent Stamp, MNH

US # 1912 - # 1919 , # 1919a , VF OG NH Se-Tenant Blk of 8 - I Combine S/H

US Scott # 1914, 1981 Space Achievement Issue, 18 Cent Stamp, MNH

1981 USPS Space Achievement Folder & Stamps (8) with Cover Sleeve, MNH

US Scott # 1919, Comprehending the Universe Space Achievement 1981 18¢ Stamp MNH

*Uncirculated* New Lot of 34 NASA Space Exploration *Stamps 18¢ Cent USA Shuttle

Top Notch SN 1912-19 MNH Blk of 8 Commemorative Society Panel-Space Achievements

US #1919 MNH 1981 Telescope

US #1914 MNH 1981 Space Shuttle Columbia

MNH Exploring The Moon 1981 Stamps 18 Cent, Block Of 8

US #1913 MNH 1981 Space Shuttle Columbia

US Scott #1907, Single 1981 Surrey 18c FVF MNH

US 1912-1919 18c Space Achievement block of 8 unused stamps never hinged 1981

US Postage - 1981 Space Achievement - SC# 1912-1919 (8) Block of 8 Mint NH OG

ALLY'S US ZIP Block Scott #1912-9 18c Space Achievement [8] MNH F/VF [F-31a]

US Scott # 1916, 1981 Space Achievement Issue, 18 Cent Stamp, MNH

Sc # 2262 ~ 17.5 cent Racing Car 1911 Issue (dd18)

US #1919a MNH 1981 Space Achievement

UNHINGED 18 CENTS EXPLORING SPACE U.S. STAMP SHEET

RKstamps-1981 1919a (1912-1919) 18 cents Space Achievement Se-tenant MNH OG

SCN 1912-19 18c Space Achievement

US Scott #1907 Strip of 5 Plate #1 | Mint NH | VF Very Fine

Scott 1912 - 1919 - Space Achievements. Block Of 8 MNH. OG. #02 1912b8

1981 SPACE ACHIEVEMENT SOUVENIR FOLDER SET MINT SET

1981USA #1912-1919 18c Space Achievement - Block of 8 Mint NH

Scott 1912-19, 18 Cent stamp sheet, 48 stamps

Scott #1912-19 Space Achievements 18c (Block of 8) 1981 Mint NH

US Scott # 1919a (1912-1919), 1981 Space Achievement, (8) 18 Cent Stamps, MNH

MNH 1981 Space Achievement Souvenir sheet, Scott #1912-19 block of 8

ALLY'S US Plate Block Scott #1912-9 18c Space Achievement [8] MNH F/VF [G-17]

7 - 1981 US Stamps - Scott# 1912-1919 - Space - MNH/VF

1981 SPACE ACHIEVEMENT FOLDER WITH 8 STAMPS MNH-US (Sealed)

U.S. Scott# 1919a, 1981 Space Achievements Issue, VF MNH Block of 8, No Faults

1981 SPACE ACHIEVEMENT FOLDER WITH 8 STAMPS MNH-US

ALLY'S US ZIP Block Scott #1912-9 18c Space Achievement [8] MNH F/VF [G-17]

Scott 1919a, Space Achievement 18¢ Block of 8 from 1981 - Mint, Never HInged

USA Scott #1912-1919, 1919a MNH Block of 8 Stamps; 1981 18c Space Achievement

US #1915 MNH 1981 Skylab

US #1918 MNH 1981 Space Shuttle Columbia

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Uncirculated New Lot of 34 NASA Space Exploration *Stamps 18¢ Cent USA Shuttle