My trick for adding multiple colors of ink to a Silhouette Mint stamp is to add a single color of ink, let it absorb, blot off most of the excess
Multi-Color Mint Stamps - Finding Time To Create
Gum Basics
All About Vintage Postage Stamps for Wedding Invitations - Paper Mint Press Blog
Mint Stamp Maker - Silhouette 101 Class - Finding Time To Create
Silhouette stamp Mint - lots of items! - Paper goods
For sale is a US Stamp Collection with 35 Postal Stamps in total. Most are Used (though there may be a mint some mint or unused stamps included). An
US Stamp Collection 35 Postal total Stamps a variety of Used and Mint collectible postage 1800s through 1930s comes with Stamp Stock Cards
How to Use Silhouette Mint & Make a Multi-Colored Stamp
4502 - 2011 First-Class Forever Stamp - Celebrate! - Mystic Stamp Company
Multi-Color Mint Stamps - Finding Time To Create
Silhouette Mint Stamp Maker Video Tutorial for Beginners - Persia Lou
He Owns World Famous Stamps and a Prized Coin. Now He's Selling. - The New York Times
704-15 - 1932 Washington Bicentennials, set of 12 stamps - Mystic Stamp Company
Minting a Stamp
Silhouette Mint™, Three Stamps Your Kids Need