Ranging in size from 4 1/2" to 2 1/4", here is an array of some less common porcelain radio antenna strains. The strain second from left has a very small star incuse in a circle, and a small chip on one ring on the side opposite the star marking. This strain is $12. The grey/brown strain third from right is marked HECO and SENSORY. The strain at far right is black. All strains are VNM condition and $4. Please add $1 postage per strain.