desc_issuer: Australia desc_issue: 1915b desc_denom: 6d Used by 1 overprinted stamp: North West Pacific Islands postage 1919 6d ultra issue=1918a d=kangaroo & map of Australia ovpt=N.W.//PACIFIC//ISLANDS (b) oc=blk on=issuer=Australia-issue=1915b-6d wmk=narrow crown & narrow A 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 |