I have a set of 4 Landranger maps, currently on eBay.

1. Ely and Wisbech

2. Thetford and Diss

3. Cambridge and Newmarket

4. Bury St. Edmunds

Ordinance Survey Landranger Maps Ely Wisbech Thetford Cambridge Newmarket Bury | eBay

I had the bargain find of 88 yes 88 os maps off EBAY for the princely sum of £5.50 , I couldn't believe it when the listing ended and I had won them , only 1 of them was duplicated as well . Unfortunately I have yours or would have been interested ......