Upphovsman
Asociación Filatélica de Costa Rica
8
Federación Argentina de Entidades Filatélicas
3
Academia Costarricense de Filatelia
1
Alaimo, Salvador
1
Coon, Dennis
1
Coren, Stanley \ Ward, Lawrence \ Enns, James
1
Dörneyei, Zoltán \ Schmidt, Richard (edits)
1
Dörnyei, Zoltán (edit)
1
Green, Irving
1
Hardy Leahey, Thomas \ Jackson Harris, Richard
1
Martin, John H.
1
Papalia, Diane \ Wendkos Olds, Sally \ Duskin Feldman, Ruth
1
Robinson, Peter (edit)
1
Williams, Marion \ Burden, Robert
1
Zepeda Herrera, Fernando
1