15c violet with 'Coffee Bag' TRIAL OVERPRINT in red differing from the issued stamp with '1921' date at top. Mint with gum. Very scarce. (As SG 128)
15c violet with 'Coffee Bag' TRIAL OVERPRINT in red differing from the issued stamp with '1921' date at top. Mint with gum. Very scarce. (As SG 128)