We've just made available a new Spanish Civil War flagsheet containing some flags used by the Abraham Lincoln Battalion, a renowned unit in the 15th International Brigade whose militants were not only U.S. Americans, but Mexicans, Argentinians and Cubans as well.
Sheet comprises a battalion and two different company flags, and has been released simultaneously in 1:56, 1:72 and 1:100 scales.
Each one can be checked and eventually purchased following these links:
28mm version
20mm version
15mm version