191, 1922 25c on 15p Surcharge, block of 50 (a half-sheet) affixed on piece and showing all four surcharge varieties, Type I (25), Type II (5), Type III (5), Type IV (15), "Quezaltanage 17 ENE 1924" cancels, some perf separations and typical minor flaws from use but an overall fine and impressive multiple (Scott $1,550 as singles)