long purse

plural long purses

1. riches; wealth; significant financial resources

   "[…]and as Mr. H., with his long purse and his willingness to receive hints, is no bad card in the game, he has been brought up to Abbotsford for a week; his taciturnity has long ago fled, and he is one of the most loquacious Borderers going. […]"

   1951 February, Michael Robbins, “Sir Walter Scott and Two Early Railway Schemes”, in Railway Magazine, page 90

   1 more example

   He had now been there five years, and many prudent farmers did not hesitate to say that they hoped he had a long purse — for what between repairs, and new outbuildings, and stone fences, and drains, and improved stock, besides a run of company — there must be a terrible outlay of money.

   1855, Azel Stevens Roe, A long look ahead; or, The first stroke and the last