MOS #1 Coin Envelopes – 2-1/4" x 3-1/2" Brown Self-Seal Coin Envelopes #1 (550 Count) – Savings Challenge, Money Envelopes for Cash, Cash Envelopes for Budgeting, Money Saving Envelopes, Seed Storage is up for auction in Office Products. The current bid is $3.00, 82% below the $16.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.