Amalric WALTER & Henri BERGÉ (1870 - 1959 & 1870 - 1937) Chameleon pocket - circa 1920 Polychrome glass paste proof Signed "AWalter / Nancy" and "Bergé Sc. 9 × 17.2 × 16 cm Bibliography : François Le Tacon and Jean Hurstel, Amalric Walter : maître de la pâte de verre, Éditions Serpenoise, Metz, 2013, p. 82 for the same model. A pâte de verre "vide-poche au caméléon" by Amalric Walter and Henri Bergé, signed - circa 1920 3.54 × 6.77 × 6.30 in. Amalric WALTER & Henri BERGÉ (1870 - 1959 & 1870 - 1937)