2019 Chile complete sheet - courtesy of Chris Alexander

2019 Chile special stamp - courtesy of Chris Alexander

2016 France (Green Letter) Courtesy of Tim Collins.

2016 France (Green Letter) Courtesy of Tim Collins.

1998 Curacao Courtesy of A. J. Vandersalm.

1999 England Courtesy of A. J. Vandersalm.

2016 Indonesia Courtesy of A. J. Vandersalm.

2016 Indonesia Courtesy of A. J. Vandersalm.

1999 France Courtesy of Spencer R. Rackley IV

2017 USA Courtesy of Tim Collins.

1965 Cook Islands Courtesy of Tim Collins.

1970 Mexico Courtesy of Tim Collins.

2012 New Guinee Courtesy of Tim Collins.

1965 Cook Islands Courtesy of Tim Collins.

2012 New Guinee Courtesy of Tim Collins.

2015 - Faroe Islands - courtesy Larry Stevens

2015 - Faroe Islands, 17 and 19 Kroner stamps photoshop combined - courtesy...