If any person shall practice as an attorney and counsellor-at-law, or shall practice as a physician or surgeon, or shall practice as a dentist, or shall practice as a pharmacist, without having first been examined and obtained a license as required by law, he shall, on conviction, of the first offense, be punished by a fine of not less than one hundred ($100.00) dollars or more than two hundred ($200.00) dollars or by imprisonment in the county jail not less than three months or more than twelve months or both; and such person, upon conviction of the second offense against this section, shall be punished by a fine of not less than two hundred ($200.00) dollars or more than five hundred ($500.00) dollars or by imprisonment in the penitentiary not less than one year or more than two years; and such person, upon conviction of any succeeding offense, shall be punished in the discretion of the court; provided, however, that such punishment shall in no case exceed the payment of a fine of five thousand dollars ($5,000.00) or imprisonment for five years.