cf.KM-141 & 142. 1 and 5 Colon. Each piece is a silvered brass pattern of the adopted design or off-metal strike of the normal silver issue. Commemorating the Sesquicentennial of Independence. A well matched pair which is destined for an advanced collection of El Salvadoran coinage.,NGC PROOF-66 (2) ULTRA CAMEO...From the Richard Stuart Collection.