poever 6x9 catalog envelopes 300 pack small envelopes brown kraft self seal security mailing envelopes for documents, cards, photos, office, business brown - 300 pcs is up for auction in Office Products. The current bid is $1.00, 96% below the $25.05 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.