We have various sizes of envelopes for you to choose from. 200 PCS #1 Coin Envelopes. 200 PCS #3 Coin Envelopes. 200 PCS #5 Coin Envelopes. 200 PCS #7 Coin Envelopes. 500 PCS #1 Coin Envelopes. 500 PCS #3 Coin Envelopes.