WARMBAD, 25 Pfennig yellowish orange with gutter below, 5 Pfennig opal-green, 10 Pfennig bright lilac-red mixed franking on correctly rated forerunner registered letter to Frankfurt, Germany, each stamp with perfectly central clear 26.8.97 strike (month "8" inverted), STEINKOPF CAPE COLONY transit and FRANKFURT 25.7.97 arrival. Registered letters from Warmbad rank among forerunner rarities, especially with 25 Pfennig, usual transit marks, unsigned, photo certificate Jäschke-Lantelme BPP (2012) "fresh colour, good perforations, faultless used condition"