desc_issuer: Australia desc_issue: 1915b desc_denom: 6d Not used by any overprinted stamps. Not used by any images. Matches 2 types: Australia postage 1915 6d ultra issue=1915b d=kangaroo & map of Australia wmk=narrow crown & narrow A Australia postage 1923 6d yelbrn issue=1915b d=kangaroo & map of Australia wmk=narrow crown & narrow A |