modelled by P. Reinicke, facing left and right, painted in tones of grey and brown upon mound bases applied with flowers, crossed swords marks in underglaze-blue, one with incised Dreher's mark // mark for J. G. Geithner to edge of base,

The example with a brown coat, sold Christie's London, 10th May 1988, lot 35

The bison painted in brown: The horns have been restored otherwise in good condition. The bison painted in grey: both horns are chipped, the tip of the tail has been restored. Both have typical minor chips to applied flowers.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

Reinicke's work records for October 1746 list: '2 Auer-Ochsen in Thon zu bousiren angefangenen' [started to model 2 bisons in clay]; and in December 1747: '1 bereits angefangenen Auer-Ochsen, auf der  Flucht vorgestellet, vollends verfertiget' [1 bison, which had already been started, depicted on the run, fully completed].