Details of a stamp in my main collection

CID1
StampRef4900
SetRef0
CStateMH
ItemID9625
CoverID
Quality
Description
CollectTypeMain Stamp
Comment
Location
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/9625.jpg or collection/9625.png

CID1
StampRef4900
SetRef0
CStateUS
ItemID9628
CoverID
QualityGood-Fine
Descriptioncentred slightly right; perfs intact, parts of 3 c.d.s. - largest shows TIEN(TSIN)
CollectTypeMain Stamp
Comment8 7 41 in datestamp makes it 7 days after first issue
Location8
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/9628.jpg or collection/9628.png

CID1
StampRef4900
SetRef0
CStateUS
ItemID15504
CoverID
QualityGood-Fine
Descriptioncentred slightly right; perfs intact, bottom perfs at right a bit short, NE corner with extra paper at corner
CollectTypePostmark Interest
Commentparts of two c.d.s. - one shows CHENGFU. the 1936 Post Office list shows this as 成府 39°58'N 116°17'E now in Haidian District, Beijing, China, 100080. Nearby there is Chengfu Primary School & Chengfu Road (成府路, parallel to 4th ring road).
Location8
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

No image found for collection/15504.jpg or collection/15504.png

3 different examples of this stamp were found in the collection.