Quick viewCompareUnited States UC141946 5c Air Post Envelope, CarmineClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$2.25View All
Quick viewCompareUnited States UC171947 5c Air Post Envelope, carmine Opening Of CIPEX On May 17, 1947, doors opened on the Centenary International Philatelic Exhibition in New York City. America hosted its first international stamp exhibition in 1913. This was follo...$2.50 - $4.50View All
Quick viewCompareUnited States UC181950 6c Air Post Envelope, carmine, type IClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75View All
Quick viewCompareUnited States UC251956 6c Air Post Envelope, redStamped Envelopes A stamped envelope or postal stationery envelope (PSE) is an envelope with a printed or embossed indicium indicating the prepayment of postage. It is a form of postal stationer...$1.75 - $3.20View All
Quick viewCompareUnited States UC261958 7c Air Post Envelope, Blues First Airmail Coil Stamp The first US Airmail coil stamp was issued on January 15, 1948, in Washington, DC. Only a few more coil stamps would be issued over the next 30 years, but the DC-4 SkyMast...$1.75 - $2.50View All
Quick viewCompareUnited States UC32a1958-59 10c Air Post Envelope, blue & red First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$2.00View All
Quick viewCompareUnited States UC331958 7c Air Post Envelope, blueClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75 - $2.50View All
Quick viewCompareUnited States UC341958 7c Air Post Envelope, carmineClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75 - $2.50View All
Quick viewCompareUnited States UC351961 11c Air Post Envelope, red & blue First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75 - $2.50View All
Quick viewCompareUnited States UC361962 8c Air Post Envelope, redClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75 - $2.50View All
Quick viewCompareUnited States UC371965-67 8c Air Post Envelope, redStamped Envelopes A stamped envelope or postal stationery envelope (PSE) is an envelope with a printed or embossed indicium indicating the prepayment of postage. It is a form of postal stationery...$1.75 - $2.50View All
Quick viewCompareUnited States UC381965 11c Air Post Envelope, red & dark blueClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75View All
Quick viewCompareUnited States UC391967 13c Air Post Envelope, red & dark blue First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75 - $3.20View All
Quick viewCompareUnited States UC401968 10c Air Post Envelope, redClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75 - $2.50View All
Quick viewCompareUnited States UC421968 13c Air Post Envelope - Human Rights Year First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75 - $3.20View All
Quick viewCompareUnited States UC431971 11c Air Post Envelope - Jet PlaneStamped Envelopes A stamped envelope or postal stationery envelope (PSE) is an envelope with a printed or embossed indicium indicating the prepayment of postage. It is a form of postal stationer...$1.75 - $3.20View All
Quick viewCompareUnited States UC441971 15c Air Post Envelope - Birds in Flight First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75 - $3.20View All
Quick viewCompareUnited States UC44a1971 15c Air Post Envelope - Birds in Flight, "AEROGRAMME" inscri...Classic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75 - $2.50View All
Quick viewCompareUnited States UC451971 10c + 1c surcharge Air Post Envelope, redClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$6.25View All
Quick viewCompareUnited States UC461973 15c Air Post Envelope Hot Air Ballooning First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75 - $3.20View All
Quick viewCompareUnited States UC471973 13c Air Post Envelope, rose redClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75 - $2.95View All
Quick viewCompareUnited States UC481974 18c Air Post Envelope, red & blue First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages ...$1.75 - $3.20View All
Quick viewCompareUnited States UC491974 18c Air Post Envelope, red & blue NATO emblem First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75 - $3.20View All
Quick viewCompareUnited States UC501976 22c Air Post Envelope, red & blue First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75 - $3.20View All
Quick viewCompareUnited States UC511978 22c Air Post Envelope, blueClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75View All
Quick viewCompareUnited States UC521979 22c Air Post Envelope - Moscow Olympics 1980 Summer Olympics On July 19, 1980, the Summer Olympic Games opened in Moscow, Soviet Union. They were the first Olympics to be held in Eastern Europe. Moscow was selected as the host city for th...$1.75View All
Quick viewCompareUnited States UC531980 30c Air Post Envelope - Tour the United StatesClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$2.00 - $3.20View All
Quick viewCompareUnited States UC541981 30c Air Post Envelope - Tour the United States First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$1.75View All
Quick viewCompareUnited States UC551982 30c Air Post Envelope - Made in USAClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$2.00View All
Quick viewCompareUnited States UC561983 30c Air Post Envelope - World Communications YearClassic Covers were produced by a variety of FDC companies. Our Classic Covers mostly were made by ArtCraft or ArtMaster. Most covers 1951 to date are unaddressed. Covers from 1950 and earlier may be ...$1.75View All
Quick viewCompareUnited States UC571981 30c Air Post Envelope - Olympics First US Aerogram On April 29, 1947, the US issued its first aerogram, then called an air letter sheet. In the early days of the mail, letter sheets were the common way to send letters. Messages wer...$2.00 - $3.20View All