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It is a genuine usage tied on piece by a partial red San Francisco circle 8 postmark and with a seven bar Jupiter cancel, the stamp with a small notch in the bottom left corner.
http://psestamp.com/Cert/1312445
110661
307
1312880
2016-03-31
10
1868
5c
Blue
Gem 100
Mint OGnh
it is genuine unused, o.g., never hinged.
http://psestamp.com/Cert/1312880
111064
308
1312936
2016-04-11
52C
1890
5c
Deep indigo
VG 50
Used
it is genuine used.
http://psestamp.com/Cert/1312936
111118
309
1312937
2016-04-11
32
1866
5c
Blue
Ungraded
Used
it is genuine used, with two short perfs at the bottom.
http://psestamp.com/Cert/1312937
111119
310
1313390
2016-05-10
31a
1864
2c
Vermilion
Ungraded
Used
it is genuine used, with a FAKE manuscipt cancel added and perf faults.