Hello again! I've been going through some old Swedish stuff from my heritage, and I found these old envelopes which still have the stamps on them! Unfortunately, I cannot read Swedish, (or the Swedish postal mark) and I have not had any luck when I searched around for these same stamps. I'm not sure where the envelopes were sent from, so I'm sorry to say I can't give much of an indication as to who may have had them. I believe the postal markings on them say '23' and the other says '30' so I'm guessing 1923 and 1930 because that was the time period which all this stuff is from. If you have any idea the value or rarity of the stamps or find anything about them, I would be EXTREMELY grateful! I'm so curious about things like this!
Here is the first envelope with its two stamps:
And here is the second envelope with its one stamp. This one appears to have the same person on it as the other green stamp from the other image.