Details of a stamp in my main collection

CID1
StampRef2672
SetRef0
CStateUS
ItemID12556
CoverID
Qualityfine
Descriptiondesign 19.3 x 22.4 = narrow; type A; good perfs, odd spots of light toning SE corner & top centre
CollectTypeMain Stamp
CommentLovely Japanese comb style cds, 17? 7 30, (17th?) July 1941 fairly early use, probably in Paotow (Baotou) 包頭, Inner Mongolia. Part of 包 is on the left edge, below (above when cancel is viewed the right way up) the inverted 30.
Location8
Multiplicity1
PurchaseID0
PricePaid0
CurrencyGBP
Accession
Disposed

There is one example of this stamp in the collection.