This is what Marx calls a value relationship ("Wertverhältnis" in German).
Although this present value relationship reflects the theoretical approach to determining the value of a bond, in practice its price is (usually) determined with reference to other, more liquid instruments.
When Marx talked about "value relationships" or "value proportions" (Wertverhaltnisse), he did not mean "the money" or "the price".
Money-prices are at best only an expression or reflection of Marx's value relationships - accurately or very inaccurately.
Although they are connected, the value relationships between labour-products and price relationships can vary independently of each other, within certain limits.
I do not have feelings, yet I do value relationships with my fellow crew members.
I became a primary-care doctor in the 1970's because I, like Dr. Sanders, value relationships.
Rather than pursue a career at all costs, he told graduates to "value important human relationships, above all else."
To establish a trading ratio that expresses a value relationship, in principle no money or prices are required at all - that is the whole point.
The power dimension of value relationships is also prominent in Harry Cleaver's commentary Reading Capital Politically.