1966-9-28 / 600 / 670 / 10 gram / '6g'
K249 applies: 150 per 5g. 6 grams counts as 10 & needs 300 + 2 x 150 = 600. This is a FDC of two of the stamps so it's philatelic overfranking.
1966-9-28 / 600 / 670 / 10 gram / '6g'
K249 applies: 150 per 5g. 6 grams counts as 10 & needs 300 + 2 x 150 = 600. This is a FDC of two of the stamps so it's philatelic overfranking.