Silver bullion for current delivery settled at $5.131 a troy ounce, up from $5.122 late Friday.
Silver for current delivery fell 1.3 cents an ounce, to $5.215, on the Comex.
On New York's Comex, silver for current delivery rose to $5.371, up from $5.344 on Tuesday.
On the Commodity Exchange in New York, gold for current delivery lost 90 cents, to $344.20.
On the Comex in New York, silver for current delivery slipped to $5.268 an ounce, from $5.272 on Wednesday.
Gold for current delivery rose 30 cents, to $431.50 an ounce, on the Commodity Exchange in New York.
Bullion for current delivery rose $1.10, to $355.70 a troy ounce, on the New York Commodity Exchange.
"This includes a review of the pension service's current delivery model and alternative delivery models," the document says.
On New York's Comex, silver bullion for current delivery settled at $4.945 an ounce, fractionally lower than Thursday's $4.946.
On New York's Comex, silver bullion for current delivery settled at $5.065 an ounce, up 1.6 cents from Monday.
Gold bullion for current delivery rose $2.60, to $394.80 a troy ounce, at the New York Commodity Exchange.
