#11A - U.S. 3¢ 1851-1857 G. Washington, plated as 91R1L, bottom row copy, with left sheet margin, 4 margins, Relief B, color confirmed as Experimental Orange Brown (EOB, slightly sulfureted), tied by black "PROVIDENCE/JAN/8/R.I." CDS, (1852) FLS.

Signed by Wilson Hulme on reverse, confirming color as EOB. 

Folded Letter, blue paper, no contents, addressed to "Mess. Powers and Heightman, Philadelphia"

See scan and good luck!