Anonymous photographer. Tennis Club Excelsior Delft, the Netherlands August 1900-1903
The picture is special because of all the names on the back (except the one of the photographer)
In Dutch: 1: Karel van der Mandelen (onder boom), 2: Gebroeders Fabius, 3: Jo Post van der Burg, 4: Lie Post van der Burg, 5: Pietjie Verburg, 6: Betsy Knuttel, 7: Emy Arntzenius (op de grond), 8: Rien Damme (Vaandrig) 9: Marietje Knuttel 10: Lien Arntzenius, 11: Jo Snijders 12: Gerard Knuttel (op de grond), 13: Puk Fabius. Afwezig: Ans Braat en Cuup Snijders.