Leilão Bidspirit | 1906 QV 1a brown PSE

1906 QV 1a brown PSE envelope ovpt ''On His Majesty's Service.'' & OnHMS on stamp from Dthali to Bombay with Aden - 1906 QV Queen Victoria 1a brown PSE envelope ovpt ''On His Majesty's Service.'' & OnHMS on stamp from Dthali to Bombay with Aden & Sea Post Office pmks on reverse; PV# OEN6