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Image from exhibit, addressee name and address missing
1910
156
PIT-018
94705
Pittsburg
PA
1/26/1910
Only 5c postage, apparently two stamps for 8c or maybe 13c missing. The New York Exchange Office label that should be present is also missing. On the reverse, there is the upper portion of the next 1549A label with the number 94706 showing.
1910
157
NY-064
94569
New York
NY
10/25/1910
1910
158
BO-102
31175
Boston
MA
8/10/1909
1909
159
LA-016
76129
Los Angeles
Sta O
CA
3/9/1910
1910
160
BK-007
2822
Berkeley
CA
09/15/1909
From Exhibit, cover partially obscured at bottom right.