German East Africa 1905 Statistical Fee Stamps The 1905 Statistical Fee stamps saw the switch from Pesa/Rupie to Heller/Rupie values (1 Rupie = 100 Heller). 1 2 ► Set Date(s) c. 1905 Watermark(s) Album Page(s) 1905 Statistical Fee Stamps The 1905 Statistical Fee stamps saw the switch from Pesa/Rupie to Heller/Rupie values (1 Rupie = 100 Heller). 1 2 ► Set Date(s) c. 1905 Watermark(s) Album Page(s)