5378 (55¢) Transcontinental Railroad, 150th Anniv. – Jupiter Locomotive
5379 (55¢) Transcontinental Railroad, 150th Anniv. – Golden Spike
5380 (55¢) Transcontinental Railroad, 150th Anniv. – No. 119 Locomotive
a. Horiz. strip of 3, #5378-5380

5381 Wild and Scenic Rivers pane of 12
a. (55¢) Merced River
b. (55¢) Owyhee River
c. (55¢) Koyukuk River
d. (55¢) Niobrara River
e. (55¢) Snake River
f. (55¢) Flathead River
g. (55¢) Missouri River
h. (55¢) Skagit River
i. (55¢) Deschutes River
j. (55¢) Tlikakila River
k. (55¢) Ontonagon River
l. (55¢) Clarion River

5382 (55¢) Art of Ellsworth Kelly – Yellow White
5383 (55¢) Art of Ellsworth Kelly – Colors for a Large Wall
5384 (55¢) Art of Ellsworth Kelly – Blue Red Rocker
5385 (55¢) Art of Ellsworth Kelly – Spectrum I
5386 (55¢) Art of Ellsworth Kelly – South Ferry
5387 (55¢) Art of Ellsworth Kelly – Blue Green
5388 (55¢) Art of Ellsworth Kelly – Orange Red Relief (for Delphine Seyrig)
5389 (55¢) Art of Ellsworth Kelly – Meschers
5390 (55¢) Art of Ellsworth Kelly – Red Blue
5391 (55¢) Art of Ellsworth Kelly – Gaza
a. Block of 10, #5382-5391