| 1/2 pint, O.C. Martin & ... | |
| 1/2 pint, O.C. Martin & Sons, Rockville, Md near Olney - Sold on eBay Mar 05, 2021 for $20.50 | |
| Round, half pint, clear glass, milk bottle embossed MARTIN'S DAIRY on front and back, O. C. MARTIN & SONS, ROCKVILLE MD NEAR OLNEY on base.... | |