![](https://api.vorstellen.network/uploads/Geoffrey_Cook_1980_e29d69da46.jpg)
Geoffrey Cook
Mail Art to Robert Rehfeldt, 1980
envelope, print with handwriting
9.7 × 16.5 cm (3 ⅞ × 6 ½ inches)
28 × 21.7 cm (11 × 8 ½ inches)
The Mail Art Archive of Ruth Wolf-Rehfeldt and Robert Rehfeldt
Geoffrey Cook
Mail Art to Robert Rehfeldt, 1980
envelope, print with handwriting
9.7 × 16.5 cm (3 ⅞ × 6 ½ inches)
28 × 21.7 cm (11 × 8 ½ inches)
The Mail Art Archive of Ruth Wolf-Rehfeldt and Robert Rehfeldt