Reference
Note:
Series E, earlier varieties, pages 196-221; Variety D, pages 197, 219-221.
This specimen
Yes
Reference
Note:
Series R, pages 502-523; Group Rigold R1 (Metcalf Groups 1-6), pages 507-511.
Reference
Note:
Dating, page 56; Series R, page 130; Mule of series R/E 'VICO', numbers 656-657; Series E (BMC types 4-6), pages 110-111.
Reference
Note:
R/C2 Mules, pages 67-8.