![GUATEMALA - 1934 - ESSAY: 2c brown 'Central American Conference' UNISSUED ESSAY stamp, imperf on gummed paper. Produced by 'B. Zadik, Guatemala City'. (Listed in Guatemala 2 handbook page 588) (GUA/30104)](http://latinamericanphilatelics.com/cdn/shop/products/GUA30104_{width}x.jpg?v=1613501637)
2c brown 'Central American Conference' UNISSUED ESSAY stamp, imperf on gummed paper. Produced by 'B. Zadik, Guatemala City'. (Listed in Guatemala 2 handbook page 588)
2c brown 'Central American Conference' UNISSUED ESSAY stamp, imperf on gummed paper. Produced by 'B. Zadik, Guatemala City'. (Listed in Guatemala 2 handbook page 588)