A pure .925 sterling silver Methodist cross necklace, measuring 1 3/16" tall x 11/16" wide, from Apples of Gold Jewelry. The Methodist cross includes a matching 2.25mm sterling silver curb chain necklace in 24" length.
Also available in 14k yellow or white gold, or a smaller version of the same Methodist cross necklace, shown below.
"But I fear, lest by any means, as the serpent beguiled Eve through his subtilty, so your minds should be corrupted from the simplicity that is in Christ" (2 Corinthians 11:3).