INDONESIA REVOLUTION PERIOD, SUMATRA. Collection of used (mostly genuine, some forgeries) but mainly unused stamps, ink/pencil lines, printed and handstamped overprints (not all can be guaranteed as genuine), general issues, emergency issues for Atjeh, varieties, perforated and imperforated, parts of sheets, some complete sheets (low value), misperforations, miscellaneous etc. in 2 Davo albums