Reference
Note:
Series E 'The Later Porcupines', pages 222-242; Kloster Barthe hoard, pages 234-237
Reference
Note:
Dating, page 54; Series E (BMC types 4-6) and secondary Kloster Barthe phase dating (710/5-730/50), pages 110-111. Secondary phase, sub-variety c, variety A related, numbers 378-385 for comparison.