| Source: Business letterheads Location: Archives | |
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| Business Name: | Blackman & Gerke |
| Building Illus: | No |
| Address: | 620 Chestnut St. |
| Type of Business: | real estate & financial agents |
| Date: | 1893 May 10 |
| Collection: | A0214 |
| Items: | 1 |
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