Letterpress is currently booking about 2 months out.
Just make sure the face value of the stamps equals the current stamp cost
Ghirlandaio '75 Christmas stamps $0.10
Emily Bissell stamps $0.15
John Adams stamps $0.02
Flag Stamps $0.33
Delaware January 7, 1787 Stamps $0.22
Veterans Administration Fifty Years of Service Stamps $0.15
Pan American Games, Chicago 1959 stamps $0.10
Collective Bargaining stamps $0.10
Haym Salomon stamps $0.10
Airmail Stars stamps $0.10
Tulip stamps $0.29
Petrified Wood stamps $0.10
Rhosochrosite stamps $0.10
Pan American Games Indianapolis stamps $0.22
Airmail stamps $0.31
Bill of Rights stamps $0.05
Herbert Hoover stamps $0.05
American Legion stamps $0.06
Peace Corps stamps $0.08
LOVE stamps $0.08