Manufacturer: Jasba Keramik, founded in 1926 by Jakob Schwaderlapp in Ransbach-Baumbach.
Model Number:158 (or similar, such as 1158 depending on the specific catalog series).
Height:15 cm (approximately 5.9 inches). In West German pottery, the second set of numbers usually indicates the height in centimeters.
Glaze Style: This is a classic "Fat Lava" style, specifically part of the "Bunte Welt der Keramik" (Colorful World of Ceramics) line introduced in 1960. This line was characterized by vibrant, glossy glazes like your bright red